Bontrager

Shop Bontrager bike components and accessories at Swinnerton Cycles. Bontrager is Trek's in-house component and accessory brand, producing a comprehensive range of wheels, handlebars, saddles, helmets, lights, and cycling apparel that are engineered to work seamlessly with Trek bikes. Backed by Trek's extensive R&D resources and real-world racing feedback, Bontrager...

Shop Bontrager bike components and accessories at Swinnerton Cycles. Bontrager is Trek's in-house component and accessory brand, producing a comprehensive range of wheels, handlebars, saddles, helmets, lights, and cycling apparel that are engineered to work seamlessly with Trek bikes. Backed by Trek's extensive R&D resources and real-world racing feedback, Bontrager products deliver genuine performance at every level.

From freehub bodies and wheel spares to bar tape, saddles, and cycling clothing, Bontrager covers every aspect of the cycling experience with products that are designed, tested, and refined by riders who race and ride at the highest level.

  • Freehub bodies and wheel spares for Trek and Bontrager wheelsets
  • Handlebars, stems, and cockpit components for road and MTB
  • Saddles in men's, women's, and performance-specific designs
  • Helmets with WaveCel and MIPS technology for superior protection
  • Lights, computers, and cycling electronics
  • Cycling clothing and apparel for road and MTB

Bontrager Best Sellers

Browse our full range of bike components, cycling helmets, and cycling clothing at Swinnerton Cycles.

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  • Bontrager Speed Concept bike stem with 80° angle and 67mm length, designed for performance road bikes.Bontrager Speed Concept bike stem with 80° angle and 67mm length, designed for high-performance road bikes.

      Bontrager Speed Concept Stem 80° Angle 67mm for Performance Road Bikes

      The Bontrager Speed Concept Stem offers precise steering control with its 80-degree angle and 67mm length. Designed for performance and durability, it seamlessly integrates with your bike for a smooth ride. Crafted with high-quality materials, this stem enhances handling and responsiveness, making it ideal...
      £84.99
      £84.99
    • Bontrager Blendr universal light mount spare parts for bike lighting accessories, showing various mounting brackets and hardware.Bontrager Blendr universal light mount spare parts and accessories for bike lighting components and bike accessories.

        Bontrager Blendr Universal Light Mount Spare Parts & Accessories for Bikes

        The Bontrager Blendr Universal Light Mount offers a sleek, integrated solution for mounting your bike accessories with ease. Its rotatable clip ensures compatibility with a wide range of Bontrager accessories, enhancing versatility. Designed to work seamlessly with any Blendr-compatible stem and base, this component...
        £4.35
        £4.99
        £4.35
        Save £0.64
      • Bontrager Carbon headset spacers, 10mm x 28.6mm, set of 3, for 1-1/8 inch bike steerers, lightweight cycling componentsBontrager Carbon Headset Spacers, 10mm x 28.6mm, three-pack, designed for 1-1/8" bike steering tubes.

          Bontrager Carbon Headset Spacer 10mm x 28.6mm 3 Pack for 1-1/8" Bikes

          Enhance your bike’s steering precision with the Bontrager 10mm Carbon Headset Spacer. This 3-pack of lightweight, durable spacers fits perfectly with 1-1/8" headsets, ensuring a secure and smooth handlebar setup. Crafted from high-quality carbon, these spacers improve stiffness without adding unnecessary weight, ideal for...
          £13.99
          £13.99
        • Bontrager Capital 31.8mm polished alloy cruiser handlebar in black, 630mm length, 25mm rise for mountain bikes.Bontrager Capital 31.8mm polished alloy cruiser handlebar in black, 630mm length, 25mm rise, suitable for MTB bikes.

            Bontrager Capital 31.8mm Polished Alloy Cruiser Handlebar Black 630mm x 25mm MTB

            The Bontrager Capital 31.8 Polished Alloy Cruiser Handlebar in Black combines durability with a sleek design, tailored for mountain bike riders who demand both performance and style. With a width of 630mm and a 25mm rise, it offers an optimal balance of control and...
            £19.99
            £19.99
          • Bontrager Trek Satellite+ Carbon Disc Fork for 700c road bike, black, with 232mm length and disc brake mounts.Black Bontrager Trek Satellite+ Carbon Disc Fork for 700c road bikes, 232mm length, shown with disc brake mounts.

              Bontrager Trek Satellite+ Carbon Disc Fork 700c Road Bike 232mm Black

              Upgrade your ride with the Bontrager Satellite+ Carbon Disc Fork, designed for 700c pavement and town bikes. Its rigid carbon construction offers precise steering and durability. With a sleek black finish and 232mm length, this fork ensures reliable performance and enhanced control on every...
              £199.99
              £199.99
            • Bontrager IsoZone black handlebar plugs for bicycles, designed for vibration reduction and rider comfort.Bontrager IsoZone black handlebar plugs for vibration reduction and enhanced cycling comfort on bike components.

                Bontrager IsoZone Black Handlebar Plugs for Vibration Reduction and Comfort

                Enhance your bike's comfort with Bontrager IsoZone Handlebar Plugs. These black plugs reduce hand fatigue by absorbing vibrations, making every ride smoother. Designed to fit perfectly with Bontrager bar tape, they offer a sleek finish that complements your bike’s style while improving steering control....
                £2.99
                £2.99
              • Bontrager Line Elite dropper post keyway kit in black, designed for 34.9mm seat posts, bicycle components accessory.Bontrager Line Elite Dropper Post Keyway Kit in black, designed for 34.9mm dropper seatposts, bicycle component replacement part

                  Bontrager Line Elite Dropper Post Keyway Kit 34.9mm Black One Size

                  The Bontrager Line Elite Dropper 34.9mm Post Keyway Kit offers precise adjustment and durability. Perfect for upgrading your seatpost with easy installation and a sleek black finish. Designed for seamless compatibility, this kit enhances your bike’s performance and rider comfort on any trail. What...
                  £4.99
                  £4.99
                • Bontrager Basic Seatpost Clamp Spares & AccessoriesBontrager Basic Seatpost Clamp Spares & Accessories

                  Bontrager Basic Seatpost Clamp – Durable Bike Seatpost Clamp Spares & Accessories - Black

                  Bontrager Basic Seatpost Clamp offers reliable clamping for your seatpost with precise torque guidance. Available in multiple diameters to fit your bike perfectly. Durable and easy to install, it ensures your seatpost stays securely in place for a smooth ride every time. What It’s...
                  £9.99
                  £9.99
                  • Black
                • Bontrager Line Dropper Key Way Kit in black, a replacement component for dropper seat posts, showing the small metal parts.Black Bontrager Line Dropper Key Way Kit for dropper posts, replacement component, one size, essential for dropper post maintenance.

                    Bontrager Line Dropper Key Way Kit Black One Size Replacement for Dropper Posts

                    Keep your Bontrager Line Dropper post performing at its best with this Original Equipment replacement Key Way Kit. Designed for easy servicing and maintenance, it ensures smooth operation and longevity. Crafted to fit perfectly, this kit helps you maintain the reliability of your dropper...
                    £9.99
                    £9.99
                  • Bontrager Line Elite Dropper Stealth Seatpost Lever DropperBontrager Line Elite Dropper Stealth Seatpost Lever Black One size | Swinnerton Cycles

                      Bontrager Line Elite Stealth Dropper Seatpost Lever Black One Size - Bike Accessory

                      The Bontrager Line Elite Dropper Stealth Seatpost Lever in black is a premium upgrade designed to elevate your riding experience. Engineered with precision, it offers smooth and reliable actuation, making saddle height adjustments effortless even during intense rides. Its stealthy design integrates seamlessly with...
                      £44.99
                      £44.99
                    • Bontrager NCS Alloy rear fender hanger in grey for bikes, 35mm size, durable bike accessory with a sleek metal designBontrager NCS Alloy Rear Fender Hanger 35mm in grey, bike accessory, showcasing the durable alloy construction and attachment fitting.

                        Bontrager NCS Alloy Rear Fender Hanger 35mm Grey One Size for Bikes

                        The Bontrager NCS 35mm Fender Alloy Rear Hanger offers sturdy support for your rear fender. Its durable alloy construction ensures long-lasting reliability, keeping your ride clean and protected from mud and debris. Designed for easy installation, this grey hanger fits a variety of setups,...
                        £6.99
                        £6.99
                      • Black Bontrager NCS 55mm alloy fender mud flap attached to a bicycle, showcasing a durable bike mudguard accessory.Black Bontrager NCS 55mm alloy bike fender mud flap attached to a bicycle for mud protection and durability.

                          Bontrager NCS 55mm Alloy Fender Mud Flap Black – Durable Bike Mudguard Accessory

                          Enhance your ride with the Bontrager NCS 55mm Fender Alloy Mud Flap. Designed to provide reliable protection, this sleek black mud flap keeps dirt and debris off your bike and rider. Crafted from durable alloy, it offers long-lasting performance and a secure fit. Easy...
                          £9.99
                          £9.99
                        • Bontrager TLR Flash Charger 2.0 pump head with hose, bike tire inflator accessory, mounted on a bicycle.Bontrager TLR Flash Charger 2.0 pump head with hose, bicycle tire inflator accessory for tubeless systems and bike maintenance.

                            Bontrager TLR Flash Charger 2.0 Pump Head with Hose – Mounts & Spares Accessory

                            Enhance your TLR Flash Charger pump with this reliable pump head and hose. Designed for easy installation, it ensures consistent and efficient inflation every time. Built to fit perfectly with Bontrager TLR Flash Charger floor pumps, this accessory offers durability and seamless performance for...
                            £12.99
                            £12.99
                          • Bontrager Supercharger Pump Head with Hose for TurboCharger and SuperCharger bike pumps, durable bicycle pump accessories.Bontrager Supercharger Pump Head with hose for SuperCharger and TurboCharger bike pumps, shown with connected nozzle and flexible hose.

                              Bontrager Supercharger Pump Head with Hose for SuperCharger & TurboCharger Pumps

                              Upgrade your pump with the Bontrager Supercharger Pump Head, designed for easy installation and reliable inflation. Compatible with SuperCharger and TurboCharger HP floor pumps, it ensures a secure fit every time. What It’s Good For Quickly inflating tires with compatible pumps Replacing worn or...
                              £24.99
                              £24.99
                            • Bontrager Quick Cleat Assembly in black for secure, easy-on off cleat mounting on cycling shoes.Bontrager Quick Cleat Assembly in black for secure, easy-on off cleat mounting on cycling shoes.

                                Bontrager Quick Cleat Assembly for Secure, Easy-On Off Cleat Mounting Black

                                The Bontrager Quick Cleat Assembly offers a durable, lightweight solution for secure cleat mounting. Its rugged plastic design ensures long-lasting performance, while the easy-on, easy-off feature provides quick and convenient storage. What It’s Good For Reliable mounting for Quick Cleat systems Lightweight and durable...
                                £4.99
                                £4.99
                              • Bontrager Tyro Youth Bike Helmet replacement fit pad kit in black, showing soft padding and secure fit design for helmet comfort.Black Bontrager Tyro Youth Bike Helmet replacement fit pad kit showing soft foam and fabric padding for helmet comfort and fit.

                                  Bontrager Tyro Youth Bike Helmet Replacement Fit Pad Kit Black Tyro Fit Pads

                                  Keep your Bontrager Tyro Youth Bike Helmet comfortable and secure with this replacement fit pad kit. Designed to maintain optimal fit and hygiene, these pads ensure lasting protection for young riders. What It’s Good For Replacing worn or damaged fit pads to restore helmet...
                                  £9.99
                                  £9.99
                                • Bontrager Starvos WaveCel cycling helmet with Headmaster Fit System and safety rating, shown on a rider with adjustable straps.Bontrager Starvos WaveCel cycling helmet with Headmaster fit system and safety features, shown from the front with adjustable straps.

                                  Bontrager Starvos WaveCel Cycling Helmet with Headmaster Fit System & Safety Rating - Black

                                  The Bontrager Starvos Wavecel Cycling Helmet combines cutting-edge WaveCel technology with a Virginia Tech 5-STAR safety rating, ensuring top-tier protection on every ride. Its intuitive, one-handed Headmaster fit system allows effortless adjustments for both height and circumference, creating a secure, personalized fit. Soft, moisture-wicking...
                                  from £36.84
                                  £76.99
                                  from £36.84
                                  Save £40.15
                                  • Radioactive Yellow
                                  • White
                                  • Black
                                • Bontrager Quantum Mips bike helmet with BOA fit system and advanced ventilation, shown from the side with adjustable straps.Bontrager Quantum Mips bike helmet with BOA Fit System and advanced ventilation for secure, comfortable cycling protection.

                                  Bontrager Quantum Mips Bike Helmet with BOA Fit System & Advanced Ventilation - Radioactive Yellow

                                  The Bontrager Quantum Mips Bike Helmet is designed for riders who demand both safety and comfort. Featuring the advanced Mips Brain Protection System, it offers enhanced defense against angled impacts, safeguarding your head with cutting-edge technology. The BOA® Fit System allows effortless, one-handed adjustments...
                                  from £38.28
                                  £79.99
                                  from £38.28
                                  Save £41.71
                                  • Black
                                  • Radioactive Yellow
                                • Bontrager Comp 31.8 MTB handlebar with adjustable width and brake lever positioning, designed for mountain biking components.Bontrager Comp 31.8 MTB handlebar with adjustable width and brake lever positioning, designed for mountain biking components.

                                  Bontrager Comp 31.8 MTB Handlebar with Adjustable Width & Brake Lever Positioning - Black

                                  The Bontrager Comp 31.8 MTB Handlebar combines durability and precise control with its 6061-T6 alloy, single-butted and tapered-wall design. The shot-peened finish enhances fatigue life, ensuring long-lasting performance. Laser-etched brake lever position lines allow perfect setup every ride. With 40 mm of cut marks...
                                  £26.08
                                  £29.99
                                  £26.08
                                  Save £3.91
                                  • Black
                                • Bontrager Sainte-Anne RSL XR TLR MTB Tyre Black 29" x 2.4" | Swinnerton CyclesBontrager Bontrager Sainte-Anne RSL XR TLR MTB Tyre 2025 Black 29" x 2.4"

                                    Bontrager Sainte-Anne RSL XR TLR 29" x 2.4" MTB Tyre Tubeless-Ready Black

                                    The Bontrager Sainte-Anne RSL XR TLR MTB Tyre in Black, sized 29" x 2.4", is crafted for mountain bikers who demand superior performance and durability. This tubeless-ready tyre is designed to deliver exceptional traction and control on a variety of terrains, from rugged trails...
                                    £56.53
                                    £59.99
                                    £56.53
                                    Save £3.46
                                  • Black Bontrager SSR/Superstock/Select 8-10 speed freehub body with 130/135mm OLD for bicycle wheel hub compatibility.Bontrager SSR/Superstock/Select 8-10 speed freehub body in black, compatible with 130/135mm OLD, for bicycle wheel components.

                                      Bontrager SSR/Superstock/Select 8-10 Speed Freehub Body Black 130/135mm OLD Compatible

                                      The Bontrager SSR/Superstock/Select 8/9/10-Speed Freehub Body in Black is designed as a durable replacement for your bike's freehub, ensuring smooth and reliable performance. Compatible with Bontrager entry-level hubs, this component is perfect for maintaining or upgrading your wheelset without the need for a full...
                                      £29.99
                                      £29.99
                                    • Bontrager Rapid Drive 11/12-Speed XD driver body for 148mm OLD cassettes, black bike component for drivetrain compatibility.Bontrager Rapid Drive 11/12-speed XD driver body for 148mm OLD cassettes, black, bicycle component part.

                                        Bontrager Rapid Drive 11/12-Speed XD Driver Body for 148mm OLD Cassettes Black

                                        The Bontrager Rapid Drive 11/12-Speed XD Driver Body in Black is engineered for cyclists who demand precision and reliability from their components. Designed to fit 148mm OLD cassettes, this driver body ensures seamless compatibility with your existing wheel system, allowing for efficient power transfer...
                                        £99.99
                                        £99.99
                                      • Black Bontrager Switch Lever Tool 6mm for Switch Flip Thru-Axles, used for bike component replacement and maintenance.Black Bontrager Switch Lever Tool 6mm for Switch Flip Thru-Axles, used for bike component replacement and maintenance.

                                          Bontrager Switch Lever Tool 6mm for Switch Flip Thru-Axles Black Replacement

                                          The Bontrager Switch Lever Tool Black 6mm offers a reliable replacement lever designed specifically for Bontrager Switch Flip thru-axles. Its secure fit ensures smooth operation and durability during rides. This lever can be conveniently stored inside the thru-axle or removed to reduce bike weight,...
                                          £19.99
                                          £19.99
                                        • Black Bontrager RSL 27.2 seatpost saddle clamp barrel assembly for bike components, shown in close-up detail.Bontrager RSL 27.2 bike seatpost saddle clamp barrel assembly in black, showing close-up of the component for bike parts.

                                            Bontrager RSL 27.2 Seatpost Saddle Clamp Barrel Assembly Black Bike Part

                                            Upgrade your bike with the Bontrager RSL 27.2 Seatpost Saddle Clamp Barrel Assembly. Designed for durability and precise adjustment, it ensures a secure fit for your saddle. Crafted from high-quality materials, this assembly provides reliable performance and easy installation for your Bontrager seatpost. What...
                                            £39.99
                                            £39.99
                                          • Bontrager Line Dropper Post Bushing Kit in white, 31.6mm, for dropper post component replacement, includes bushings and hardware.Bontrager Line Dropper Post Bushing Kit in white for 31.6mm dropper post, replacement component for bike suspension system

                                              Bontrager Line Dropper Post Bushing Kit 31.6mm White One Size Replacement

                                              Upgrade your Bontrager Line Dropper post with this 31.6mm bushing kit for smooth operation and durability. Precise fit ensures reliable seatpost movement every ride. What It’s Good For Extends the life of your dropper post Ensures smooth seatpost movement Easy installation and replacement Maintains...
                                              £7.99
                                              £7.99
                                            • Bontrager Line Dropper Under-Bar Seatpost Lever Spares & AccessoriesBontrager Line Dropper Under-Bar Seatpost Lever Black One size | Swinnerton Cycles

                                                Bontrager Line Dropper Under-Bar Seatpost Lever Black for 1x Drivetrains

                                                Enhance your ride control with the Bontrager Line Dropper Under-Bar Seatpost Lever. This cable-actuated remote lever offers seamless operation for the Bontrager Line Dropper seatpost and fits most other cable-actuated dropper seatposts. Its ergonomic design replaces the left shifter on 1x drivetrains for easy...
                                                £19.99
                                                £19.99
                                              • Bontrager Ion Hard-Mount 35 bracket in black attached to 31.8-35mm bike handlebars, accessory for cycling lights or devices.Bontrager Ion Hard-Mount 35 bracket in black for 31.8-35mm handlebars, accessory mount for bike lights or accessories

                                                  Bontrager Ion Hard-Mount 35 Bracket Black for 31.8-35mm Handlebars

                                                  The Bontrager Ion Hard-Mount 35 Bracket in black offers a secure and stable attachment for all Ion lights. Its design minimizes vibration and slippage, ensuring consistent lighting in all conditions. The mount rotates left and right, allowing you to find the perfect angle for...
                                                  £8.70
                                                  £9.99
                                                  £8.70
                                                  Save £1.29
                                                • Bontrager Atran Rex-DV auto rear-mounted kickstand in black with 18mm bolt distance, bicycle accessories for stable parkingBontrager Atran Rex-DV auto rear-mounted kickstand in black with an 18mm bolt distance, designed for bike accessories.

                                                    Bontrager Atran Rex-DV Auto Rear Mounted Kickstand Black 18mm Bolt Distance

                                                    The Bontrager Atran Rex-DV Auto Rear Mounted Kickstand offers a sturdy and reliable solution for parking your bike securely. Designed to fit models with an 18mm bolt distance, it ensures stability without compromising your bike’s sleek look. Its black finish complements most bike designs...
                                                    £34.99
                                                    £34.99
                                                  • Bontrager Interchange Digital Combo Sensor accessory showing Bluetooth and ANT+ connectivity options for cycling devices.Bontrager Interchange Digital Combo Sensor with ANT+ and Bluetooth Smart connectivity for bike accessories.

                                                      Bontrager Interchange Digital Combo Sensor with ANT+ & Bluetooth Smart Connectivity

                                                      The Bontrager Interchange Digital Combo Sensor offers seamless wireless connectivity with ANT+ 2.4 GHz and Bluetooth® Smart technology, enabling simultaneous use with both computers and smartphones. Designed for precise tracking, its independently adjustable arm ensures perfect alignment of speed and cadence sensors, maximizing accuracy...
                                                      £20.29
                                                      £39.99
                                                      £20.29
                                                      Save £19.70
                                                    • Bontrager Starvos WaveCel helmet fit pad replacement spare showing soft foam padding for helmet comfort and fit.Bontrager Starvos WaveCel helmet fit pad replacement spare, showing foam and fabric padding for helmet comfort and fit.

                                                      Bontrager Starvos WaveCel Helmet Fit Pad Replacement Spares & Accessories - Red

                                                      Maintain optimal comfort and hygiene with the Bontrager Starvos WaveCel Helmet Fit Pad Spares. Designed specifically for Starvos WaveCel helmets, these replacement pads ensure a secure, fresh fit every ride. Easy to install and crafted for durability, they help preserve your helmet’s protective performance...
                                                      from £11.99
                                                      from £11.99
                                                      • Red
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                                                    Discover the Bontrager collection at Swinnerton Cycles. Bontrager is Trek's component and accessories brand, producing a comprehensive range of helmets, wheels, saddles, lights, and apparel engineered to complement Trek bikes and perform at the highest level. Browse the full Bontrager range and explore our wider Helmets, Saddles, and Lights collections.

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