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.

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  • Kryptonite Evolution Compact Disc Lock for motorcycle and scooter security with double deadbolt, durable metal construction.Kryptonite Evolution Compact disc lock for motorcycle and scooter security, featuring double deadbolt and durable metal construction.

      Kryptonite Evolution Compact Disc Lock for Motorcycle & Scooter Security with Double Deadbolt

      The Kryptonite Evolution Compact Disc Lock offers robust, pocket-sized security for your motorbike or scooter, combining strength and convenience in a sleek design. Crafted with a 13mm hardened max-performance steel shackle, it effectively resists bolt cutters and leverage attacks, ensuring your vehicle stays protected....
      £43.48
      £59.99
      £43.48
      Save £16.51
    • Kryptonite 9mm plug-in bike security chain, 120cm long, with a durable metal chain and lock for frame lock security accessories.Kryptonite 9mm plug-in bike security chain, 120cm length, with lock and key, designed for frame lock security accessories.

        Kryptonite 9mm Plug-In Chain for Frame Locks – 120cm Bike Security Chain

        Enhance your bike's security with the Kryptonite Frame Lock Plug In 9mm Chain, designed to work seamlessly with frame locks like AXA Fusion, Defender, Solid Plus, and Victory. Constructed from 9mm thick hardened steel, this chain offers robust protection against theft, giving you peace...
        £39.86
        £54.99
        £39.86
        Save £15.13
      • Kryptonite 10mm plug-in frame lock cable, 120cm long, designed for bike security, with a sturdy metal and plastic construction.Kryptonite 10mm plug-in bike lock cable, 120cm, with key lock and protective vinyl coating for secure bike locking.

          Kryptonite 10mm Plug-In Frame Lock Cable 120cm for Bike Security

          Enhance your bike’s security with the Kryptonite Frame Lock Plug In 10mm Cable, designed to work seamlessly with popular frame locks like AXA Fusion, Defender, Solid Plus, and Victory. This cable adds a vital layer of protection by allowing you to secure your bike...
          £21.73
          £29.99
          £21.73
          Save £8.26
        • Kryptonite non-retractable ring lock with plug-in capability, silver-colored security accessory for bike locking.Kryptonite non-retractable ring lock with plug-in capability, sold Secure Silver, shown as an accessory with key components visible.

            Kryptonite Non-Retractable Ring Lock with Plug-In Capability – Sold Secure Silver

            The Kryptonite Ring Lock with plug-in capability is designed to provide superior security for your bike, combining convenience and robust protection. Its extra wide opening accommodates various tyre and mudguard sizes, ensuring a perfect fit without compromising safety. Crafted with a hardened steel bracket...
            £28.99
            £39.99
            £28.99
            Save £11.00
          • Kryptonite New York Fahgettaboudit U-Lock bicycle lock with key, securely locking a bike frame to a bike rack.Kryptonite New York Fahgettaboudit U-Lock bike lock with key, Sold Secure Diamond rated, heavy-duty security accessory for bicycles

              Kryptonite New York Fahgettaboudit U-Lock | Sold Secure Diamond Bike Lock

              The Kryptonite New York Fahgettaboudit U-Lock offers unparalleled security for your bicycle, eBike, or powersports vehicle. Crafted with an 18mm hardened max-performance steel shackle, it ensures formidable resistance against theft attempts. Its patent-pending hardened double deadbolt design adds extra protection against twisting and cutting...
              £108.75
              £149.99
              £108.75
              Save £41.24
            • Kryptonite New York Standard U-Lock with Flexframe bracket secured around a bike frame, showcasing its sturdy design and branding.Kryptonite New York Standard U-Lock with Flexframe Bracket for bikes, Sold Secure Diamond rated bike lock with sturdy U-shape design

                Kryptonite New York Standard U-Lock with Flexframe Bracket - Sold Secure Diamond Bike Lock

                Experience unmatched security with the Kryptonite New York Standard U-Lock, designed to protect your bicycle, eBike, or powersports vehicle with confidence. Crafted from 16mm hardened max-performance steel, this lock offers exceptional resistance against cutting and twisting attempts. Its patent-pending hardened double deadbolt design enhances...
                £87.00
                £119.99
                £87.00
                Save £32.99
              • Kryptonite Evolution Long Shackle U-Lock with Flexframe Bracket, Sold Secure Diamond rated bike lock on a white background.Kryptonite Evolution Long Shackle U-Lock with Flexframe Bracket, Sold Secure Diamond rated, sturdy bike lock with durable shackle.

                  Kryptonite Evolution Long Shackle U-Lock with Flexframe Bracket – Sold Secure Diamond

                  The Kryptonite Evolution Long Shackle U-Lock with Flexframe bracket offers enhanced security with its extended 14mm hardened steel shackle, providing versatile locking options ideal for bicycles, eBikes, and powersports. Designed to resist common attacks, its patent-pending double deadbolt design and pick- and drill-resistant disc-style...
                  £61.61
                  £84.99
                  £61.61
                  Save £23.38
                • Kryptonite Evolution Standard U-Lock with Flexframe Bracket, a secured bike lock with durable steel shackle and mounting bracket.Kryptonite Evolution Standard U-Lock with Flexframe bracket for bike security, featuring durable steel construction and key lock system.

                    Kryptonite Evolution Standard U-Lock with Flexframe Bracket – Sold Secure Diamond Bike Lock

                    The Kryptonite Evolution Standard U-Lock with Flexframe bracket is designed to offer superior security for your bicycle, eBike, or powersports vehicle. Crafted with a 14mm hardened max-performance steel shackle, this lock provides robust resistance against cutting and twisting attempts. Its compact design includes a...
                    £57.99
                    £79.99
                    £57.99
                    Save £22.00
                  • Kryptonite Evolution Mini-9 U-Lock with Flexframe bracket, sold Secure Gold bike lock for security and portability.Kryptonite Evolution Mini-9 U-lock with Flexframe bracket for bike security, Sold Secure Gold rated, compact and sturdy bike lock.

                      Kryptonite Evolution Mini-9 U-Lock with Flexframe Bracket | Sold Secure Gold Bike Lock

                      The Kryptonite Evolution Mini-9 U-Lock with Flexframe bracket offers top-tier security for your bicycle, eBike, or powersport vehicle. Crafted with a 13mm hardened max-performance steel shackle, it effectively resists bolt cutters and leverage attacks, ensuring your bike stays protected. Its patent-pending hardened double deadbolt...
                      £50.74
                      £69.99
                      £50.74
                      Save £19.25
                    • Kryptonite Evolution Mini-5 U-lock with Flexframe bracket, Sold Secure Gold bike lock for secure bicycle security.Kryptonite Evolution Mini-5 U-Lock with Flexframe Bracket, a compact bike lock with secure design and sturdy construction.

                        Kryptonite Evolution Mini-5 U-Lock with Flexframe Bracket | Sold Secure Gold Bike Lock

                        Discover the Kryptonite Evolution Mini-5 U-Lock with Flexframe bracket, a robust security solution designed to protect your bicycles, eBikes, and powersports vehicles. Crafted with a 13mm hardened max-performance steel shackle, it offers exceptional resistance against bolt cutters and leverage attacks. Its innovative double deadbolt...
                        £47.12
                        £64.99
                        £47.12
                        Save £17.87
                      • Kryptonite Kryptolok Standard U-lock with FlexFrame Bracket, gold-rated bike lock, featuring sturdy steel U-shape and mounting bracket.Kryptonite Kryptolok standard U-lock with FlexFrame bracket for bikes, features a sturdy lock and branded design.

                          Kryptonite Kryptolok Standard U-Lock with FlexFrame Bracket, Sold Secure Gold Bike Lock

                          Experience top-tier security with the Kryptonite Kryptolok Standard U-Lock, designed to protect your bike with reliability and strength. Crafted from 12.7mm hardened performance steel, this lock offers robust resistance to cutting and twisting attacks, ensuring your peace of mind. Its innovative hardened double deadbolt...
                          £32.63
                          £44.99
                          £32.63
                          Save £12.36
                        • Kryptonite Kryptolok Mini U-Lock with FlexFrame bracket, gold-rated bike lock, showing the compact U-lock and mounting bracket.Kryptonite Kryptolok Mini U-Lock with FlexFrame Bracket, Sold Secure Gold bike lock, showing the lock and mounting bracket.

                            Kryptonite Kryptolok Mini U-Lock with FlexFrame Bracket | Sold Secure Gold Bike Lock

                            The Kryptonite Kryptolok Mini U-Lock with Flexframe bracket offers exceptional security for your bike without compromising convenience. Crafted from 12.7mm hardened performance steel, it stands strong against theft attempts, while the patent-pending double deadbolt design provides enhanced resistance to twist attacks. Its compact size...
                            £28.99
                            £39.99
                            £28.99
                            Save £11.00
                          • Kryptonite Kryptolok Mini U-Lock with 4ft Flex Cable and FlexFrame bracket for bike security, Sold Secure Gold rated.Kryptonite Kryptolok Mini U-Lock with 4ft Flex Cable and FlexFrame bracket, Sold Secure Gold security, bike lock accessory

                              Kryptonite Kryptolok Mini U-Lock with 4ft Flex Cable & FlexFrame Bracket - Sold Secure Gold

                              Discover the Kryptonite Kryptolok Mini U-Lock, a compact yet robust security solution designed to safeguard your bike with confidence. Crafted with a 12.7mm hardened performance steel shackle, this U-lock combines strength and durability to resist even the most determined theft attempts. Its new patent-pending...
                              £32.63
                              £44.99
                              £32.63
                              Save £12.36
                            • Kryptonite Kryptolok Standard U-lock with 4ft Kryptoflex cable, gold-rated bike lock, durable security accessory by KryptoniteKryptonite Kryptolok Standard U-lock with 4ft Kryptoflex cable and Sold Secure Gold security for bike locking.

                                Kryptonite Kryptolok Standard U-Lock with 4ft Kryptoflex Cable – Sold Secure Gold Bike Lock

                                The Kryptonite Kryptolok Standard U-Lock with 4 foot Kryptoflex cable offers robust security for your bike at an exceptional value. Crafted with a 12.7mm hardened performance steel shackle and a patent-pending hardened double deadbolt design, it provides enhanced resistance against twist attacks. The high-security...
                                £36.24
                                £49.99
                                £36.24
                                Save £13.75
                              • Kryptonite Keeper 785 integrated chain lock with 7mm thick chain, 85cm length, Sold Secure Bronze security rating, accessories.Kryptonite Keeper 785 integrated chain lock with 7mm thick chain, 85cm length, bronze Sold Secure security accessory

                                  Kryptonite Keeper 785 Integrated Chain Lock 7mm x 85cm with Sold Secure Bronze

                                  Secure your bicycle with the Kryptonite Keeper 785 Integrated Chain, designed to offer robust protection without compromising convenience. Crafted from 7mm four-sided chain links made of 3T manganese steel, this lock combines strength and durability to deter even the most determined thieves. The patent-pending...
                                  £32.63
                                  £44.99
                                  £32.63
                                  Save £12.36
                                • Kryptonite Kryptolok 995 integrated chain lock for bikes, 9.5mm thick, 95cm long, gold-colored security accessory.Kryptonite Kryptolok 995 integrated chain bike lock in gold, 9.5mm thick, 95cm length, secure bike lock accessories

                                    Kryptonite Kryptolok 995 Integrated Chain Lock 9.5mm x 95cm Secure Bike Lock Gold

                                    The Kryptonite Kryptolok 995 Integrated Chain offers unmatched security for your bike or e-bike with its robust 9.5 mm four-sided chain links crafted from 3T manganese steel. Designed to withstand the most determined thieves, its patent-pending end link securely attaches to a hardened deadbolt,...
                                    £65.23
                                    £89.99
                                    £65.23
                                    Save £24.76
                                  • Kryptonite Evolution 1016 integrated chain lock, 10mm thick, 160cm length, gold Sold Secure certified bike security accessory.Kryptonite Evolution 1016 integrated chain lock with 10mm links, 160cm length, Sold Secure Gold rated bike lock accessory

                                      Kryptonite Evolution 1016 Integrated Chain Lock 10mm x 160cm Sold Secure Gold

                                      Secure your bike, ebike, or motorbike with the Kryptonite Evolution 1016 Integrated Chain, designed to offer top-tier protection. Crafted from 3T manganese steel, its 10mm six-sided chain links provide exceptional strength and resistance against cutting or tampering. The innovative patent-pending end link design connects...
                                      £97.88
                                      £134.99
                                      £97.88
                                      Save £37.11
                                    • Kryptonite Evolution 1090 integrated chain lock with 10mm thick links, 90cm length, Sold Secure Gold security rating.Kryptonite Evolution 1090 integrated chain lock with 10mm links and 90cm length, Sold Secure Gold rated for bike security.

                                        Kryptonite Evolution 1090 Integrated Chain Lock 10mm x 90cm Sold Secure Gold

                                        The Kryptonite Evolution 1090 Integrated Chain offers unmatched security for your bike, ebike, or motorbike. Crafted from 10mm six-sided 3T manganese steel links, this chain combines strength with innovative design to protect your vehicle from theft. Its patent-pending end link design connects directly to...
                                        £79.74
                                        £109.99
                                        £79.74
                                        Save £30.25
                                      • Kryptonite Evolution 1055 integrated chain lock with 10mm links, 55cm length, gold-rated bike lock for security.Kryptonite Evolution 1055 integrated chain lock, 10mm thick, 55cm long, gold-rated security bike lock with durable design

                                          Kryptonite Evolution 1055 Integrated Chain Lock 10mm x 55cm Secure Gold Rated

                                          Secure your bike, ebike, or motorbike with the Kryptonite Evolution 1055 Integrated Chain, designed for maximum protection and durability. Crafted from 10mm six-sided links of 3T manganese steel, this chain combines strength and resilience to deter even the most determined thieves. The patent-pending end...
                                          £68.87
                                          £94.99
                                          £68.87
                                          Save £26.12
                                        • Kryptonite Transit Flexframe U-lock mounting kit for 13mm and 16mm U locks, bicycle security accessories.

                                            Kryptonite Transit Flexframe U-Lock Mounting Kit for 13mm & 16mm U Locks

                                            The Kryptonite Transit Flexframe U bracket Mounting Kit provides a secure and versatile solution to carry your U-lock effortlessly on your bike. Designed for compatibility with 13mm and 16mm round shackles, this mounting kit ensures your lock is always within easy reach. Its heavy-duty...
                                            £14.49
                                            £19.99
                                            £14.49
                                            Save £5.50
                                          • Kryptonite New York Diamond Angle Grinder Resistant U-lock for bikes and powersports, heavy-duty security accessory.Kryptonite New York Diamond angle grinder resistant U-lock for bikes and powersports, with sturdy metal shackle and key lock mechanism.

                                            Kryptonite New York Diamond Angle Grinder Resistant U-Lock for Bikes & Powersports

                                            Experience the pinnacle of security with the Kryptonite New York Diamond Angle Grinder Resistant U-Lock. Engineered to provide unmatched protection, this lock is ideal for securing bicycles, eBikes, and powersports vehicles against even the most determined thieves. Its robust construction and advanced features ensure...
                                            £254.60
                                            £269.99
                                            £254.60
                                            Save £15.39
                                          • Kryptonite Keeper 5-S scooter disc lock with bright yellow reminder cable, durable security accessory for scooters.Kryptonite Keeper 5-S scooter disc lock in bright yellow with reminder cable, designed to secure scooters effectively.

                                            Kryptonite Keeper 5-S Scooter Disc Lock with Bright Reminder Cable - Yellow

                                            Protect your scooter with the Kryptonite Keeper 5-S Disc Lock, designed to offer robust security without compromising convenience. Its dual-reinforced disc-style cylinder ensures high resistance against tampering, while the stapler-style lock immobilizes your vehicle, effectively preventing roll-away or ride-away theft. Compact and lightweight, this...
                                            £28.99
                                            £39.99
                                            £28.99
                                            Save £11.00
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                                          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.

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