Kryptonite

Kryptonite is an American bike security brand with over 50 years of experience producing some of the most trusted and widely recognised bike locks in the world. From lightweight cable locks for low-risk areas to heavy-duty U-locks and chain locks with Sold Secure ratings, Kryptonite offers a comprehensive range of...

Kryptonite is an American bike security brand with over 50 years of experience producing some of the most trusted and widely recognised bike locks in the world. From lightweight cable locks for low-risk areas to heavy-duty U-locks and chain locks with Sold Secure ratings, Kryptonite offers a comprehensive range of security solutions for cyclists of all types. At Swinnerton Cycles, we stock a range of Kryptonite locks and security accessories to help you protect your bike wherever you ride.

  • U-locks and D-locks with Sold Secure Silver and Gold ratings
  • Braided steel cable locks for secondary security
  • Chain locks for high-risk urban environments
  • Mounting brackets and carrying accessories for easy transport
  • Available in a range of security levels to suit different needs
  • Trusted American bike security brand with 50+ years of heritage

Kryptonite Best Sellers

Browse our full range of bike locks and cycling accessories at Swinnerton Cycles.

Sidebar
Brand
Type
Size
Colour
Price
£
to
£
Availability
Filter
  • 10
  • 15
  • 20
  • 25
  • 30
  • 50
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort
Sort by:
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • Kryptonite Kryptoflex 4ft braided steel security cable for bikes and locks, durable accessory for bike security.Kryptonite Kryptoflex 4ft braided steel security cable for bikes and locks, durable and flexible bike security accessory.

      Kryptonite Kryptoflex 4ft Braided Steel Security Cable for Bikes & Locks

      The Kryptonite Kryptoflex 4ft cable offers versatile security for your bike and accessories. Crafted from tough braided steel, it extends the reach of your U-locks, providing extra flexibility without compromising strength. Its double-looped design allows easy cinching, ensuring a snug fit around various objects....
      £11.61
      £15.99
      £11.61
      Save £4.38
    • Kryptonite Keeper 12 U-Lock with 4ft Kryptoflex cable bike lock in silver, showing the sturdy lock and flexible cable accessory.Kryptonite Keeper 12 U-Lock with 4ft Kryptoflex cable bike lock, silver, sturdy security accessory for bicycles.

        Kryptonite Keeper 12 U-Lock with 4ft Kryptoflex Cable Bike Lock Sold Secure Silver

        The Kryptonite Keeper 12 Standard U-Lock offers reliable security for your bike without compromising convenience. Crafted with a 12mm hardened performance steel shackle, it withstands common attack methods, ensuring your bike stays protected. Its new hardened double deadbolt design resists twisting and other forceful...
        £31.32
        £39.99
        £31.32
        Save £8.67
      • Kryptonite Keeper Original U-Lock with click-style bracket securing a bicycle, made of sturdy steel for bike security.Kryptonite Keeper Original Standard U-Lock with click-style bracket for secure bike locking, shown with keyhole and sturdy metal shackle.

          Kryptonite Keeper Original Standard U-Lock with Click-Style Bracket Secure Bike Lock

          Discover reliable security with the Kryptonite Keeper Original Standard U-Lock, designed to protect your bike with confidence. Its 12mm hardened steel shackle and reinforced collar resist hand tools and enhance durability. The high security disc-cylinder adds an extra layer of protection, making it a...
          £19.09
          £29.99
          £19.09
          Save £10.90
        • Kryptonite Click Lock Combo Bike Lock in 480mm with 3-digit resettable code, showing the lock's locking mechanism and brand logoKryptonite Click Lock Combo bike lock in 480mm with 3-digit resettable code, shown securing a bicycle frame.

          Kryptonite Click Lock Combo Bike Lock 480mm with 3-Digit Resettable Code - Blue

          The Kryptonite Click Lock Combo Lock offers a compact and convenient solution for securing your bike accessories during casual rides. Its 10mm internal steel core provides reliable strength, while the 3-digit resettable combination ensures easy, keyless security. With a full length of 480mm, it...
          £10.88
          £14.99
          £10.88
          Save £4.11
          • Black
          • Blue
          • Red
        • Kryptonite Evolution 790 folding bike lock, 90cm, Sold Secure Gold approved for e-bikes, black and silver security accessoryKryptonite Evolution 790 folding bike lock, 90cm, gold approved for E-bikes, durable security accessory for bicycles.

            Kryptonite Evolution 790 Folding Bike Lock 90cm Sold Secure Gold Approved for E-Bikes

            The Kryptonite Evolution 790 Folding Lock offers top-tier security with its 5.4MM hardened steel links, providing robust protection against theft. Its innovative 360-degree rotating lock head ensures ease of use in any situation. The durable rubber coating safeguards your bike’s frame from scratches while...
            £95.75
            £119.99
            £95.75
            Save £24.24
          • Kryptonite Kryptoflex 1018 resettable combo cable lock, 10mm x 180cm, for bikes and gear security, with coiled cable and combination dial.Kryptonite Kryptoflex 1018 bike lock with 10mm cable, 180cm length, black, coiled around a bicycle frame.

              Kryptonite Kryptoflex 1018 Resettable Combo Cable Lock 10mm x 180cm for Bikes & Gear

              The Kryptonite Kryptoflex 1018 Resettable Combo Cable offers reliable security with its 10mm flexible braided steel cable, enhancing resistance against cuts. Its integrated 4-digit combination lock features indexed number dials that simplify setting your personalized code without errors. Designed for convenience, the easy-click locking...
              £18.13
              £24.99
              £18.13
              Save £6.86
            • Kryptonite New York Long Shackle U-Lock with hardened steel and Sold Secure Diamond certification, used for bike security.

                Kryptonite New York Long Shackle U-Lock with Hardened Steel & Sold Secure Diamond

                Experience enhanced security with the Kryptonite New York Long Shackle U-Lock, designed to offer superior protection for bicycles, eBikes, and powersports vehicles. Its extended shank provides greater versatility in locking options, making it easier to secure your ride to a wider range of objects....
                £94.24
                £129.99
                £94.24
                Save £35.75
              • Kryptonite Kryptolok U-Lock with long shackle and FlexFrame bracket, Sold Secure Gold rated for bike security.Kryptonite Kryptolok Long Shackle U-Lock with FlexFrame Bracket, Sold Secure Gold rated, secure bike lock with durable shackle

                  Kryptonite Kryptolok Long Shackle U-Lock with FlexFrame Bracket Sold Secure Gold

                  Experience unmatched security with the Kryptonite Kryptolok Long Shackle U-Lock, designed to offer robust protection without compromising convenience. Crafted from 12.7mm hardened performance steel, this lock withstands forceful attacks, ensuring your bike stays safe in any environment. The patent-pending hardened double deadbolt design enhances...
                  £39.86
                  £54.99
                  £39.86
                  Save £15.13
                • Kryptonite Evolution Mini 7 U-lock with 4ft cable and Flexframe bracket for bike security, Sold Secure Gold certified.Kryptonite Evolution Mini 7 U-Lock with 4ft cable and Flexframe bracket, sold Secure Gold bike lock accessory, close-up view

                    Kryptonite Evolution Mini 7 U-Lock with 4ft Cable & Flexframe Bracket – Sold Secure Gold

                    The Kryptonite Evolution Mini 7 U-Lock with 4 Foot Cable and Flexframe Bracket offers top-tier security for your bicycle, eBike, or powersports vehicle. Crafted with a 13mm hardened max-performance steel shackle, it effectively resists bolt cutters and leverage attacks, providing reliable protection wherever you...
                    £54.38
                    £74.99
                    £54.38
                    Save £20.61
                  • Kryptonite Kryptoflex 30ft braided steel bike security cable extension coiled with protective vinyl coatingKryptonite Kryptoflex 30ft braided steel bike security cable extension with lock, durable and flexible for bike protection.

                      Kryptonite Kryptoflex 30ft Braided Steel Bike Security Cable Extension

                      Secure your bike effortlessly with the Kryptonite Kryptoflex 30ft cable, designed to enhance your existing locks. Crafted from tough braided steel, this cable offers flexibility and strength, perfect for commuting, workshop, or home use. Its double looped design provides versatile locking options, ensuring your...
                      £32.63
                      £44.99
                      £32.63
                      Save £12.36
                    • Kryptonite Evolution disc lock in orange with pouch and reminder cable, bike security accessory with key lock mechanism.Kryptonite Evolution Disc Lock Premium Pack in orange with pouch and reminder cable for bike security and accessory protection.

                        Kryptonite Evolution Disc Lock Premium Pack Orange with Pouch & Reminder Cable Security

                        The Kryptonite Evolution Disc Lock - Premium Pack in vibrant orange is designed to provide exceptional security for your motorbike or scooter. Crafted with a 14mm hardened max-performance steel shackle, it offers strong resistance against cutting and leverage attacks. Its double deadbolt locking mechanism...
                        £54.38
                        £74.99
                        £54.38
                        Save £20.61
                      • Kryptonite New York Cinch 12mm x 130cm bike lock with Evo Series 4 disc lock, heavy-duty security accessory.Kryptonite New York Cinch 12mm x 130cm chain lock with Evo Series 4 disc lock for bike security, shown with chain and lock components.

                          Kryptonite New York Cinch 12mm x 130cm Chain Lock with Evo Series 4 Disc Lock Secure

                          The Kryptonite New York Cinch (12 mm / 130 cm) with Evo Series 4 Disc Lock is designed to provide unmatched security for your bike, ebike, or motorbike. Crafted with 12mm six-sided chain links made from 3T hardened manganese steel, it offers maximum strength...
                          £123.24
                          £169.99
                          £123.24
                          Save £46.75
                        • Kryptonite New York Chain 12mm x 100cm with Evo Series 4 14mm Disc Lock, Sold Secure Gold bike lock and security accessoriesKryptonite New York Chain 12mm x 100cm with Evo Series 4 Disc Lock 14mm, Sold Secure Gold, bike security accessories

                            Kryptonite New York Chain 12mm x 100cm with Evo Series 4 Disc Lock 14mm - Sold Secure Gold

                            Protect your bike, ebike, or motorbike with the Kryptonite New York Chain, designed for unparalleled security. Crafted from 12mm six-sided, 3T hardened manganese steel links, this chain combines exceptional strength with durability. Its protective nylon cover shields the chain from scratches and weather, while...
                            £101.49
                            £139.99
                            £101.49
                            Save £38.50
                          • Kryptonite New York Fahgettaboudit 14mm chain with 150cm length and NY Disc Lock for high-security bike locking.Kryptonite New York Fahgettaboudit 14mm chain with NY Disc Lock, heavy-duty security accessory for bicycles and bikes.

                              Kryptonite New York Fahgettaboudit 14mm x 150cm Chain with NY Disc Lock - Sold Secure Diamond

                              Protect your bike, e-bike, or motorbike with the Kryptonite New York Fahgettaboudit Chain 14mmX150cm paired with the NY Disc Lock, a top-tier security solution designed for ultimate peace of mind. Crafted from 3T hardened manganese steel, the 14mm six-sided chain links offer formidable resistance...
                              £152.25
                              £209.99
                              £152.25
                              Save £57.74
                            • Kryptonite New York Fahgettaboudit 14mm x 100cm security chain with NY Disc Lock, high-security bike lock accessoryKryptonite New York Fahgettaboudit 14mm chain with NY disc lock, heavy-duty security accessory for bikes and valuables.

                                Kryptonite New York Fahgettaboudit 14mm x 100cm Chain with NY Disc Lock Sold Secure Diamond

                                Discover unmatched protection with the Kryptonite New York Fahgettaboudit Chain 14mmX100cm paired with the NY Disc Lock Sold Secure Diamond. Engineered for ultimate security, this robust chain features 14mm six-sided links forged from 3T hardened manganese steel, delivering exceptional resistance against cutting and leverage...
                                £119.61
                                £164.99
                                £119.61
                                Save £45.38
                              • Kryptonite New York Liberty disc lock with yellow reminder cable for motorbikes, Sold Secure Gold rated security accessory.Kryptonite New York Liberty disc lock with yellow reminder cable for motorbikes, Sold Secure Gold security accessory.

                                  Kryptonite New York Liberty Disc Lock with Reminder Cable for Motorbikes - Yellow Sold Secure Gold

                                  The Kryptonite New York Liberty Disc Lock offers robust security designed specifically for motorbikes and scooters. Crafted with a 14mm hardened max-performance steel shackle, it effectively resists bolt cutters and leverage attacks, ensuring your vehicle stays protected. Its high-security disc-style cylinder combined with double...
                                  £61.61
                                  £84.99
                                  £61.61
                                  Save £23.38
                                • Kryptonite New York M18 U-Lock with double deadbolt security, sold Secure Diamond, shown with sturdy U-lock and keys.Kryptonite New York M18 U-lock with double deadbolt security, sold Secure Diamond rated bike lock on a plain background.

                                    Kryptonite New York M18 U-Lock with Double Deadbolt Security - Sold Secure Diamond

                                    Experience unmatched security with the Kryptonite New York M18 U-Lock, designed to protect your bicycle, eBike, or powersport vehicle with maximum reliability. Crafted from 18mm hardened max-performance steel, this lock expertly resists bolt cutters and leverage attacks, ensuring your valuable assets remain safe. The...
                                    £108.75
                                    £149.99
                                    £108.75
                                    Save £41.24
                                  • Kryptonite disc lock reminder cable for motorcycle security, with bright warning tag attached to disc lock accessory.Kryptonite disc lock reminder cable for motorcycle security, shown coiled with lock and safety accessories in the image.

                                      Kryptonite Disc Lock Reminder Cable for Motorcycle Safety and Security

                                      Ensure your safety every time you park with the Kryptonite Disc Lock Reminder Cable. This bright orange, flexible cable acts as a clear visual reminder to remove your disc lock before riding, preventing potential damage to your bike. Its compact 132mm length makes it...
                                      £7.24
                                      £9.99
                                      £7.24
                                      Save £2.75
                                    • Kryptonite Stronghold ground anchor securing bike lock, durable metal accessory with Sold Secure Diamond rating for outdoor security.Kryptonite Stronghold ground anchor for secure bike locking, with durable metal construction and integrated locking point.

                                        Kryptonite Stronghold Ground Anchor Secure Locking Point Sold Secure Diamond

                                        Secure your valuable bikes and vehicles with the Kryptonite Stronghold Ground Anchor, a reliable and robust solution designed to offer maximum protection. Crafted for both indoor and outdoor use, this anchor provides a permanent locking point by attaching firmly to solid concrete surfaces. Its...
                                        £75.76
                                        £89.99
                                        £75.76
                                        Save £14.23
                                      • Kryptonite Kryptoflex Seatsaver Cable Lock 2.5 ft braided steel security cable for bike security accessories.Kryptonite Kryptoflex Seatsaver Cable Lock, 2.5 ft braided steel security cable for bike and scooter protection

                                          Kryptonite Kryptoflex Seatsaver Cable Lock 2.5 ft Braided Steel Security Cable

                                          Secure your bike’s quick release seat and components effortlessly with the Kryptonite Kryptoflex Seatsaver Cable Lock. Measuring 2.5 feet (76 cm), this durable cable features a 5 mm diameter braided steel core that offers superior cut resistance compared to twisted cables. Its double-looped design...
                                          £9.41
                                          £12.99
                                          £9.41
                                          Save £3.58
                                        • Kryptonite Kryptoflex 7ft braided steel bike lock cable with loop ends for U-lock security, durable and flexible accessory.Kryptonite Kryptoflex 7ft braided steel bike lock cable with U-lock security accessory, durable and flexible for bike protection

                                            Kryptonite Kryptoflex 7ft Braided Steel Cable for Bike U-Lock Security

                                            The Kryptonite Kryptoflex 7ft cable combines strength and flexibility to enhance your bike security. Crafted from tough braided steel, it extends the reach of your U-locks, making it easier to secure your bike in various settings. Its double-looped design offers versatile locking options, fitting...
                                            £18.13
                                            £24.99
                                            £18.13
                                            Save £6.86
                                          • Kryptonite Keeper 512 combo cable lock for bike security, 5mm thick, 120cm length, with key and combination lock features.Kryptonite Keeper 512 combo cable lock for bikes, 5mm thick, 120cm long, securing bike accessories with durable metal construction.

                                              Kryptonite Keeper 512 Combo Cable Lock 5mm x 120cm for Bike Accessories Security

                                              The Kryptonite Keeper 512 Combo Cable offers a reliable and convenient solution for securing your bike accessories. Its 5mm self-coiling flexible steel cable combines durability with ease of use, while the preset 4-digit combination eliminates the need for keys. The protective vinyl cover safeguards...
                                              £7.97
                                              £10.99
                                              £7.97
                                              Save £3.02
                                            • Kryptonite Keeper Mini folding bike lock with 80cm length, carrying bracket, and keys, designed for secure cycling accessories.Kryptonite Keeper Mini folding bike lock with 80cm length, carry bracket, and keys, designed for securing bicycles effectively.

                                                Kryptonite Keeper Mini Folding Bike Lock 80cm with Carry Bracket & Keys

                                                The Kryptonite Keeper Mini Folding Lock 80cm offers a reliable security solution for cyclists who need a lightweight and portable lock. Its hardened steel bars combined with a durable rubber coating ensure your bike stays protected without scratching the frame. This compact lock is...
                                                £51.87
                                                £64.99
                                                £51.87
                                                Save £13.12
                                              • Kryptonite Kryptolok Combo U-Lock with FlexFrame bracket, durable bike lock with secure combination mechanism and sturdy steel body.Kryptonite Kryptolok Combo U-Lock with FlexFrame bracket, securely locking bike with durable steel design and key combo, Sold Secure Gold.

                                                  Kryptonite Kryptolok Combo Standard U-Lock with FlexFrame Bracket – Sold Secure Gold

                                                  The Kryptonite Kryptolok Combo Standard U-Lock offers robust, key-free security designed to safeguard your bike with ease and reliability. Crafted from 12.7mm hardened high-grade carbon alloy steel, its shackle resists common hand tools, making it a trusted choice for urban cyclists. The easy-to-use 4-digit...
                                                  £47.12
                                                  £64.99
                                                  £47.12
                                                  Save £17.87
                                                • Kryptonite Kryptolok folding bike lock, 6mm x 100cm, bronze color, with key mechanism and compact design for bike security.Kryptonite Kryptolok folding bike lock with 6mm shackle, 100cm length, bronze Sold Secure certification, bike security accessory

                                                    Kryptonite Kryptolok Folding Bike Lock 610 S 6mm x 100cm Sold Secure Bronze

                                                    The Kryptonite Kryptolok Folding Lock 610 S combines compact convenience with reliable security, making it an excellent choice for daily commuters. Its folding design allows the lock to collapse into a size slightly larger than a water bottle, fitting neatly in your bottle cage...
                                                    £79.80
                                                    £99.99
                                                    £79.80
                                                    Save £20.19
                                                  • Kryptonite Kryptoflex 1218 resettable combo cable lock for bikes, 12mm thick, 180cm long, with combination dial and steel cable.Kryptonite Kryptoflex 1218 bike cable lock, 12mm x 180cm, with resettable combination lock, flexible steel security cable.

                                                      Kryptonite Kryptoflex 1218 Resettable Combo Cable Lock 12mm x 180cm for Bikes

                                                      The Kryptonite Kryptoflex 1218 Resettable Combo Cable offers reliable security with its 12mm flexible braided steel cable, designed to resist cutting and provide peace of mind. Its 4-digit resettable combination lock features indexed number dials, making it simple to set and reset your personalized...
                                                      £23.19
                                                      £31.99
                                                      £23.19
                                                      Save £8.80
                                                    • Kryptonite Kryptoflex 1218 key cable lock, 12mm x 180cm with weather guards and easy-click system for bike security.Kryptonite Kryptoflex 1218 key cable lock, 12mm x 180cm, with weather guards and easy-click system, shown coiled with key in image.

                                                        Kryptonite Kryptoflex 1218 Key Cable Lock 12mm x 180cm with Weather Guards & Easy-Click System

                                                        The Kryptonite Kryptoflex 1218 Key Cable is designed to offer reliable security with its 12mm flexible braided steel cable, enhancing cut resistance for peace of mind in low to moderate crime areas. Its advanced cylinder mechanism provides superior protection against picking, while the easy-click...
                                                        £23.19
                                                        £31.99
                                                        £23.19
                                                        Save £8.80
                                                      • Kryptonite Kryptoflex 1018 key cable lock, weather-resistant 10mm x 180cm security cable for bike or equipment security.Kryptonite Kryptoflex 1018 key cable lock, 10mm x 180cm, weather-resistant security cable with key lock for bike or equipment security

                                                          Kryptonite Kryptoflex 1018 Key Cable Lock 10mm x 180cm – Weather Resistant Security Cable

                                                          The Kryptonite Kryptoflex 1018 Key Cable combines flexibility with robust security, making it an ideal choice for everyday protection in low to moderate crime areas. Its 10mm braided steel cable offers strong resistance against cutting attempts, while the advanced cylinder lock enhances security against...
                                                          £19.58
                                                          £26.99
                                                          £19.58
                                                          Save £7.41
                                                        • Kryptonite Keeper 585 integrated 5mm x 85cm bicycle security chain lock with durable steel links and integrated lock mechanism.Kryptonite Keeper 585 bicycle chain lock with 5mm steel links, 85cm length, for bike security, shown coiled on a white background.

                                                            Kryptonite Keeper 585 Integrated 5mm x 85cm Chain Lock for Bicycle Security

                                                            Secure your bicycle with the Kryptonite Keeper 585 Integrated Chain, designed to provide reliable protection without compromising convenience. Its 5mm four-sided hardened carbon steel links ensure robust defense against theft, while the durable nylon sleeve guards your bike’s frame from scratches. Lightweight yet strong,...
                                                            £25.37
                                                            £34.99
                                                            £25.37
                                                            Save £9.62
                                                          • Kryptonite Kryptolok folding bike lock 685 with 6mm shackle, 85cm length, Sold Secure Bronze rated, black and silver designKryptonite Kryptolok folding bike lock 685 with 6mm shackle, 85cm length, bronze Sold Secure security, bike lock accessory.

                                                              Kryptonite Kryptolok Folding Bike Lock 685 6mm x 85cm Sold Secure Bronze

                                                              The Kryptonite Kryptolok Folding Lock 685 offers a perfect balance of convenience and security for daily commuters. Its compact design folds down to fit in a water bottle cage, making transport effortless without sacrificing protection. Crafted with 5mm hardened steel links, it provides reliable...
                                                              £65.23
                                                              £89.99
                                                              £65.23
                                                              Save £24.76
                                                            Recently Viewed Products

                                                            Secure your bike with confidence using our Kryptonite collection at Swinnerton Cycles. Kryptonite is one of the world's most trusted bike lock brands, producing D-locks, chain locks, and cable locks that offer industry-leading security ratings for urban cyclists. Browse the full Kryptonite range and explore our wider Bike Locks, D-Locks, and Chain Locks collections.

                                                            Why Swinnerton Bikes

                                                            Free UK Shipping Over £50

                                                            Fast free shipping on all UK orders over £50
                                                            Price Match

                                                            *Seen it cheaper, let us know & we'll match it.
                                                            Spread The Cost with Klarna

                                                            Pay in instalments or pay later with Klarna.