Trek

Trek is one of the world's most iconic bicycle brands — an American manufacturer founded in Waterloo, Wisconsin in 1976, producing road, mountain, hybrid, and e-bikes for cyclists at every level from beginner to professional. Trek bikes are ridden by Tour de France winners, World Cup mountain bike racers, and...

Trek is one of the world's most iconic bicycle brands — an American manufacturer founded in Waterloo, Wisconsin in 1976, producing road, mountain, hybrid, and e-bikes for cyclists at every level from beginner to professional. Trek bikes are ridden by Tour de France winners, World Cup mountain bike racers, and millions of everyday cyclists worldwide, with a product range that spans entry-level trail bikes to flagship carbon race machines. At Swinnerton Cycles, we stock Trek bikes, frame parts, and accessories for cyclists looking for one of the world's most trusted and recognised bicycle brands.

Our Trek range includes the Marlin 4 Gen 3 mountain bike — Trek's entry-level hardtail MTB designed for trail riding with a durable, adaptive frame — alongside genuine Trek frame parts and accessories including full suspension rocker pivot bolts and water bottle nutsert plugs for maintaining and repairing Trek bikes.

Why Choose Trek?

  • American bicycle brand founded in Waterloo, Wisconsin in 1976
  • Ridden by Tour de France winners and World Cup mountain bike racers worldwide
  • Marlin 4 Gen 3 entry-level hardtail MTB with durable, adaptive frame for trail riding
  • Genuine Trek frame parts including M10x1mm full suspension rocker pivot bolts
  • Water bottle nutsert plug M4 x 13mm for secure bottle cage mounting on Trek frames
  • One of the world's most trusted and recognised bicycle brands across all disciplines

Top Selling Trek Products

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  • Trek M10x1mm full suspension rocker pivot bolt, a replacement component for Trek bike suspension systems.Trek M10x1mm full suspension rocker pivot bolt replacement, close-up of the metal component for bike suspension system.

    Trek M10X1Mm Full Suspension Rocker Pivot Bolt Replacement & Spares Accessory - Black, Blue

    Upgrade your Trek bike with the M10X1Mm Full Suspension Rocker Pivot Bolt. Designed for durability and precision, this bolt ensures a secure fit and smooth suspension performance. Made to match original Trek specifications, it’s the perfect replacement part to maintain your bike’s reliability and...
    from £8.05
    £9.99
    from £8.05
    Save £1.94
    • Black, Blue
    • Blue, Black
  • Trek M4 x 13mm black water bottle cage mount nutsert plug, used as a thread protector for unused bottle cage mounts.Trek black M4 x 13mm water bottle cage nutsert plug, thread protector for unused bottle cage mounts, accessory for bikes

      Trek Water Bottle Nutsert Plug M4 x 13mm Black – Thread Protector for Unused Bottle Cage Mounts

      The Trek Water Bottle Nutsert Plug M4 x 13mm is a genuine Trek spare part that fills and protects unused bottle cage mounting threads on Trek frames. Trek frames typically include multiple bottle cage mount positions — on the down tube, seat tube, and...
      £0.80
      £0.99
      £0.80
      Save £0.19
    • Trek road bike seatpost clamp ears, 7x9mm oval replacement parts for bike components and spares.Trek road bike seatpost clamp ears with 7x9mm oval replacement parts, bike components for secure seatpost attachment

      Trek Seatpost Road Clamp Ears 7x9mm Oval Replacement Part Spares & Accessories - Black

      The Trek Seatpost Part Road Clamp Ears 7x9mm Oval offers reliable support for your seatpost. Designed for durability, it ensures a secure fit to keep your ride stable. Made as a precise replacement part, it’s perfect for maintaining or upgrading your Trek seatpost setup....
      £16.09
      £19.99
      £16.09
      Save £3.90
      • Black
    • Trek Double Gel Cork Handlebar Tape Set with shock-absorbing cushioning for comfortable bike grip on components.Trek Double Gel Cork Handlebar Tape set with shock-absorbing cushioning, designed for comfortable bike handlebar grip.

        Trek Double Gel Cork Handlebar Tape Set – Comfortable Shock-Absorbing Bar Tape - Black

        The Trek Double Gel Cork Handlebar Tape Set is designed to elevate your cycling comfort and control. Combining premium cork with gel padding, this tape absorbs shocks effectively, reducing hand fatigue on long rides. Its ergonomic profile offers a secure grip, enhancing steering precision...
        from £13.11
        £16.53
        from £13.11
        Save £3.42
        • Black
        • White
      • Tektro SP-SS20 speed sensor magnet for 160mm centerlock rotor, black bike component accessory for Trek bikes.Black Tektro SP-SS20 speed sensor magnet for 160mm centerlock rotor on Trek bike components, used for cycling speed detection.

          Tektro SP-SS20 Speed Sensor Magnet for 160mm Centerlock Rotor Black Bike Accessory

          The Tektro SP-SS20 Speed Sensor Magnet is designed for precise speed monitoring with Centerlock rotors. Compatible with 160 mm rotors, it ensures accurate data collection for enhanced cycling performance. Its sleek black design integrates seamlessly with your bike, offering durability and reliable functionality. Ideal...
          £9.65
          £11.99
          £9.65
          Save £2.34
        • Trek Farley front cargo rack mounted on a mountain bike, providing durable storage for increased carrying capacity.Trek Farley front cargo rack mounted on a mountain bike, providing durable storage for increased carrying capacity.

            Trek Farley Front Cargo Rack – Durable Bike Rack for Increased Carrying Capacity - Lava

            The Trek Racks - Farley Front Cargo Rack is the perfect solution for cyclists looking to increase their bike’s carrying capacity without sacrificing balance or control. Crafted by Trek, a respected leader in cycling accessories, this front cargo rack is designed to endure tough...
            from £68.42
            £84.99
            from £68.42
            Save £16.57
            • Lava
            • Black
          • Trek Lidl-Trek Team 550ml light blue and yellow leak-proof cycling water bottle, accessories for biking.Trek Lidl-Trek Team 550ml light blue and yellow leak-proof cycling water bottle with ergonomic design for cycling accessories

              Lidl-Trek Team 550ml Water Bottle Light Blue & Yellow – Leak-Proof Cycling Bottle

              The Lidl-Trek Team 550ml Water Bottle in Light Blue and Light Yellow is the perfect companion for those who demand reliable hydration on the go. Designed with active individuals and cycling enthusiasts in mind, this bottle offers a generous 550 ml capacity to keep...
              £4.83
              £6.09
              £4.83
              Save £1.26
            • Trek 2017 Mino Link seatstay nut in black, a bike frame replacement component, shown installed on a Trek bike frame.Trek 2017 Mino Link seatstay nut in black for bike frame replacement, showing close-up of the component on a bicycle frame.

                Trek 2017 Mino Link Seatstay Nut Black – Bike Frame Replacement Part

                The Trek 2017 Mino Link Seatstay Nut in Black is a crucial component crafted to optimize the performance and longevity of your Trek bicycle frame. Engineered with precision, this seatstay nut is an integral part of the Mino Link system, ensuring a secure connection...
                £7.23
                £8.99
                £7.23
                Save £1.76
              • Trek Mino Link seatstay nut M10 x 6mm in black for 2014-2017 suspension bikes, component part for bike frame assembly.Trek Mino Link seatstay nut M10 x 6mm black for suspension components, shown on a bike part.

                  Trek Mino Link Seatstay Nut M10 x 6mm Black 2014-2017 Suspension Part

                  Upgrade your Trek frame with the Mino Link Seatstay Nut, designed for models 2014-2017. This black M10 x 6mm component ensures a secure and reliable fit for your suspension system. What It’s Good For Maintains the integrity of your Trek suspension frame Easy to...
                  £4.02
                  £4.99
                  £4.02
                  Save £0.97
                • Trek road bike integrated stem spacers, 5mm height, for RCS headset adjustment, cycling components, black aluminum.Trek road bike integrated stem spacers, 5mm, for RCS headset adjustment, component for bike handling and fit.

                  Trek Road Bike Integrated Stem Spacers 5mm for RCS Headset Adjustment - Trek Black

                  Optimize your bike fit with Trek’s 5mm integrated stem spacers. Designed for a sleek, secure headset setup, these spacers enhance comfort and control on every ride. What It’s Good For Adjusting handlebar height with precision Ensuring a secure and stable headset assembly Maintaining the...
                  from £3.22
                  £3.99
                  from £3.22
                  Save £0.77
                  • Trek Black
                • Trek eco-friendly left side load recycled water bottle cage for bikes, showcasing durable, lightweight bike accessories.Trek eco-friendly left side load recycled water bottle cage mounted on a bike frame, designed for convenient hydration access.

                    Trek Left Side Load Recycled Water Bottle Cage – Eco-Friendly Bike Accessory - Trek Black

                    The Trek Cages - Left Side Load Recycled Water Bottle Cage is designed for cyclists who value both functionality and environmental responsibility. Made from recycled materials, this bottle cage offers a durable and eco-friendly solution that fits perfectly on the left side of your...
                    £7.59
                    £9.57
                    £7.59
                    Save £1.98
                    • White
                    • Crimson
                    • Olive Grey
                    • Trek Black
                  • Trek Shimano BB90/BB95 steel bottom bracket kit in grey, for integrated bike frames, one size standard component.Trek integrated Shimano BB90/BB95 steel bottom bracket kit in grey, showing the compact, durable component for bicycle installation.

                      Trek Integrated Shimano BB90/BB95 Steel Bottom Bracket Kit Grey One size

                      The Trek Integrated Shimano BB90/BB95 Steel Bottom Bracket Kit in Grey is crafted to elevate your bike’s transmission system with unmatched precision and durability. Designed specifically for frames compatible with BB90 and BB95 standards, this bottom bracket kit ensures a flawless fit and consistent...
                      £44.27
                      £54.99
                      £44.27
                      Save £10.72
                    • Trek Integrated BB90/95 bearing spacer seal, 7.5mm x 24mm, for bottom bracket components with sealing features.Trek bottom bracket bearing spacer seal, 7.5mm x 24mm, for BB90/95 components, showing the black seal with Trek branding.

                        Trek Integrated BB90/95 Bearing Spacer Seal 7.5mm x 24mm for Bottom Bracket

                        Enhance your bike’s performance with the Trek Integrated BB90/95 Bearing Spacer Seal. Designed for precision, it ensures smooth rotation and reliable protection for your bottom bracket bearings. Its durable black finish complements your bike’s sleek look while maintaining optimal function. Crafted specifically for Trek’s...
                        £1.60
                        £1.99
                        £1.60
                        Save £0.39
                      • Black Trek Fuel EXe 2023-2024 M10 x 19mm upper shock trunnion fastener for mountain bike components.Trek Fuel EXe 2023-2024 upper shock trunnion fastener M10 x 19mm in black, bicycle component for shock mounting.

                          Trek Fuel EXe 2023-2024 Upper Shock Trunnion Fastener M10 x 19mm Black

                          Secure your Trek Fuel EXe 29 2023 upper shock with this reliable M10 x 19mm fastener. Designed for durability and precise fit, it ensures peak performance of your suspension system. Crafted specifically for Trek frames, this component provides a seamless replacement to maintain your...
                          £7.23
                          £8.99
                          £7.23
                          Save £1.76
                        • Trek rear derailleur hanger and thru axle in black for bike components, shown from the rear drive side.Black Trek rear derailleur hanger and thru axle, replacement component for bike drive side, mounted on rear of bicycle.

                            Trek-Diamant Rear Derailleur Hanger Thru Axle Black Rear Drive Side Replacement

                            Upgrade your bike with the Trek-Diamant Thru-Skew Rear Derailleur Hanger. This black hanger is designed for rear drive side installation with thru axle compatibility, ensuring a secure and precise fit. Crafted to enhance frame protection and maintain optimal shifting performance, it’s a reliable replacement...
                            £10.46
                            £12.99
                            £10.46
                            Save £2.53
                          • Trek FSA 1.5-inch silver lower headset bearing with smooth steering and durable performance for bike components.Trek FSA 1.5-inch silver lower headset bearing for smooth steering and durable performance on bicycle components.

                              FSA 1.5˝ Lower Headset Bearing Silver for Smooth Steering & Durable Performance

                              Enhance your bike’s performance with the FSA 1.5˝ Lower Headset Bearing in silver. Designed for durability and smooth steering, this component ensures reliable handling on every ride. Crafted to fit perfectly with your frame, it supports precise control and reduces friction, making your cycling...
                              £11.26
                              £13.99
                              £11.26
                              Save £2.73
                            • Trek Electra rear disc derailleur hanger in black with 142x12mm thru axle compatibility, bike component for rear derailleur mounting.Black Trek Electra rear disc derailleur hanger with 142x12mm thru axle for bike components, compatible with Trek bikes.

                                Trek Electra Rear Disc Derailleur Hanger Black 142x12mm Thru Axle Compatible

                                The Trek-Electra Disc Derailleur Hanger ensures precise rear derailleur alignment for smooth shifting. Designed for 142x12mm thru axle frames, it offers reliable compatibility with Trek Electra models. Crafted for durability and easy installation, this black hanger maintains your bike’s performance and protects your frame...
                                £16.09
                                £19.99
                                £16.09
                                Save £3.90
                              • Trek matte carbon seat mast cap with 7mm round clamp ears, Onyx carbon finish, 175x20mm component for bike seat postsTrek matte carbon seat mast cap with 7mm round clamp ears, Onyx carbon finish, 175x20mm component for bike seat posts

                                  Trek Matte Carbon Seat Mast Cap with 7mm Round Clamp Ears Onyx Carbon 175x20mm

                                  The Trek Colour-Matched Matte Carbon Seat Mast Cap & 7 mm Round Ears Onyx Carbon 175mm x 20mm is designed for riders seeking a seamless blend of style and function. Crafted from ultra-light carbon, this mast cap not only reduces weight but also complements...
                                  £144.89
                                  £179.99
                                  £144.89
                                  Save £35.10
                                • Trek Kids' small flat platform pedals for children's bikes, durable plastic construction with textured grip for safety and control.Trek Kids' small flat platform pedal set for children's bikes, showing the black plastic pedals with textured surface for grip.

                                    Trek Kids' Small Platform Pedals Flat Pedal Set for Children's Bikes - Roarange

                                    These Trek Kids' Platform Small Pedals offer a reliable and comfortable grip for young riders. Designed with a standard 9/16" spindle, they fit most kids' bikes perfectly, ensuring smooth pedaling and better control. Made from durable materials, these flat pedals provide stability and confidence...
                                    £12.06
                                    £14.99
                                    £12.06
                                    Save £2.93
                                    • Pink Frosting
                                    • Black
                                    • Aloha Green
                                    • Viper Red
                                  • Trek RCS Pro stem top cap replacement for bike steering components, featuring a sleek black finish and Trek branding.Trek RCS Pro stem top cap replacement for bike steering components, shown in close-up with visible branding and metal finish.

                                      Trek RCS Pro Stem Top Cap Replacement Spare & Bike Accessory for Steering

                                      Upgrade your bike’s steering with the Trek RCS Pro Stem Top Cap. Designed for durability and precision, this top cap ensures a secure fit and smooth handling. Its sleek black finish complements any setup while providing reliable performance. Perfect for those who want to...
                                      £8.05
                                      £9.99
                                      £8.05
                                      Save £1.94
                                    • Trek 5mm headset cable routing spacers for bike components, black plastic, designed for clean cable management on bicycles.Trek bike headset cable routing spacers, 5mm, for smooth cable management and component fitment in bicycle assembly.

                                      Trek Headset Cable Routing Spacers 5mm – Bike Spares & Accessories - Trek Black

                                      Enhance your bike's steering precision with Trek Headset Cable Routing Spacers. Designed for seamless integration, these 5mm black spacers ensure a secure fit and smooth cable management. What It’s Good For Improves headset alignment for better control Keeps cables neatly routed and protected Durable...
                                      from £8.05
                                      £9.99
                                      from £8.05
                                      Save £1.94
                                      • Trek Black
                                    • Trek aluminum shock mount fastener for full-suspension bike frame components, showing the metal fastener and frame attachment points.Trek aluminum shock mount fastener for full-suspension bike frame components, showing the metal fastener and mounting hardware.

                                      Trek Aluminum Shock Mount Fastener for Full-Suspension Frame Parts - Black

                                      Enhance your bike’s performance with the Trek Frame Parts Aluminum Shock Mount Fastener. Designed for full-suspension frames, it ensures a secure and durable connection for smooth rides. Crafted from high-quality aluminum, this fastener provides reliable support and longevity. Perfect for maintaining your bike’s suspension...
                                      from £2.40
                                      £2.99
                                      from £2.40
                                      Save £0.59
                                      • Solid Charcoal
                                      • Black
                                    • Trek Open Groove Bottom Bracket Cable Guide in black, designed for smooth cable routing on bike components.Trek Open Groove Bottom Bracket Cable Guide in black for smooth routing of gear and brake cables on bicycle components.

                                        Trek Open Groove Bottom Bracket Cable Guide for Smooth Cable Routing Black

                                        The Trek Open Groove Bottom Bracket Cable Guide ensures smooth cable routing for any Trek frame with an open groove design. Its durable build enhances performance and reliability. Designed specifically for Trek frames, this cable guide simplifies maintenance and improves shifting efficiency, making it...
                                        £3.22
                                        £3.99
                                        £3.22
                                        Save £0.77
                                      • Trek KnockBlock 58-degree headset assembly in black, compatible with 28.6mm and 38.1mm bike components.Trek KnockBlock 58-degree headset assembly in black with 28.6mm and 38.1mm compatibility, shown on a mountain bike component.

                                          Trek KnockBlock 58-Degree Headset Assembly Black 28.6mm / 38.1mm Compatible

                                          Upgrade your Trek bike with the KnockBlock 58-degree Headset Assembly, designed for optimal compatibility with Trek KnockBlock models. This assembly includes essential components like crown race, bearings, top cover, frame chip, and fastener, ensuring smooth steering and reliable performance. Please note, KnockBlock headset spacers...
                                          £32.20
                                          £39.99
                                          £32.20
                                          Save £7.79
                                        • Grey Trek pedal trailer hitch kit for bikes with hitch head, compatible with 2004+ models, bike accessories for secure towing.Trek grey pedal trailer hitch kit for bike hitch head, compatible with 2004+ bikes, bike accessories for secure towing.

                                            Trek Pedal Trailer Hitch Kit Grey for Hitch Head 2004+ Bikes One Size

                                            The Trek Pedal Trailer Hitch Kit in Grey offers a secure, easy way to connect your child trailer to your bike. Designed for Hitch Head 2004+ with a 30mm hitch point width, it ensures a stable ride. Durable and reliable, this accessory perfectly fits...
                                            £16.09
                                            £19.99
                                            £16.09
                                            Save £3.90
                                          • Trek Madone Gen 8 Aero bike seatpost with finishing kit, black carbon fiber, designed for lightweight road cycling performance.Trek Madone Gen 8 Aero bike seatpost with finishing kit, lightweight components for optimized bike performance.

                                              Trek Madone Gen 8 Seatpost with Finishing Kit – Aero Bike Seatpost Replacement - Viper Red

                                              The Trek Seatpost - Madone Gen 8 Seatpost is expertly crafted to enhance your riding experience by delivering unmatched comfort and performance. Designed specifically for the Trek Madone Gen 8, this seatpost seamlessly integrates with the bike’s frame, preserving its aerodynamic advantage while providing...
                                              £251.15
                                              £259.99
                                              £251.15
                                              Save £8.84
                                              • Carbon Smoke
                                              • Viper Red
                                            • Trek Checkpoint ALR 4 Gen 3 gravel bike with multiple mounts for adventure, commuting, and long rides, shown from the front angle.Trek Checkpoint ALR 4 Gen 3 gravel bike with multiple mounts for adventure, commuting, and long rides, shown in a side view.

                                              Trek Checkpoint ALR 4 Gen 3 Gravel Bike with Multiple Mounts for Adventure, Commuting & Long Rides - Matte Keswick Green to Lichen Fade

                                              The Trek Checkpoint ALR 4 Gen 3 Gravel Bike exemplifies versatility and robust design, tailored for riders seeking adventure and practicality. Its updated aluminum frame integrates multiple mounts for racks, mudguards, and bags, enabling efficient gear transport for extended journeys. This model is engineered...
                                              from £1,161.05
                                              £1,400.00
                                              from £1,161.05
                                              Save £238.95
                                              • Living Coral
                                              • Matte Keswick Green to Lichen Fade
                                            • Trek 24-inch mountain bike wheel with 6-bolt disc brake, quick-release, 28-hole design, mountain biking componentTrek 24-inch mountain bike wheel with 6-bolt disc brake mount, quick-release skewer, 28-hole rim for MTB riding.

                                              Trek 24" MTB Wheel with 6-Bolt Disc Brake, Quick-Release, 28-Hole MTB Wheel - Black

                                              Upgrade your mountain bike with the Trek 24"" Disc MTB Wheel, designed for durability and performance. Its robust construction ensures reliable traction on rough trails. The 6-bolt disc compatibility offers secure braking power for confident rides. Precision-built with 28 holes and quick-release design, this...
                                              from £68.42
                                              £84.99
                                              from £68.42
                                              Save £16.57
                                              • Black
                                            • Trek Bontrager rear freewheel hub axle kit in silver and black, 135mm old, for bike components and wheel assembly.Trek Bontrager rear freewheel hub axle kit in silver and black, 135mm old spacing, for bike components, shown in close-up.

                                                Bontrager Rear Freewheel Hub Axle Kit 135mm OLD FT/RR Silver Black Approved

                                                Upgrade your bike with the Bontrager Approved Loose Ball Rear Freewheel Hub Axle Kit. Designed for durability and smooth performance, this 135mm OLD FT/RR axle kit ensures reliable hub function and easy maintenance. Crafted by Trek, it fits perfectly within your wheel assembly, enhancing...
                                                £16.09
                                                £19.99
                                                £16.09
                                                Save £3.90
                                              • Black FSA 41mm IS headset upper cover for Trek bikes, protecting steering components and ensuring a secure fit.Black FSA 41mm IS headset upper cover for Trek bikes, providing steering protection and secure fit.

                                                  FSA 41mm IS Headset Upper Cover Black – Bike Steering Protection & Fit

                                                  Enhance your bike’s steering with the FSA 41mm IS Headset Upper Cover. This sleek black cover ensures a secure fit and protects your headset from dirt and damage, maintaining smooth handling on every ride. Designed for durability and easy installation, it’s an essential component...
                                                  £8.85
                                                  £10.99
                                                  £8.85
                                                  Save £2.14
                                                Recently Viewed Products

                                                Trek bikes are biking models that deliver exceptional performance, comfort and durability time and time again. Here at Swinnerton Cycles, we have a selection of Trek bikes for you to explore depending on the type of cycling adventure you want to venture on. Explore Trek e-bikes, MTB by Trek and for those who want to rack up miles on the road, we have a selection of road bikes by Trek.
                                                Trek bikes offer speed, comfort and durability

                                                Over four decades, Trek has meticulously perfected the technical expertise needed to deliver bikes of the highest quality. Within the range of Trek bikes available here at Swinnerton Cycles, you will find premium carbon crafted models that are lightweight for speed but are durable and designed to give you a ride that is controlled. 
                                                Trek bicycles for any terrain 
                                                No matter what type of terrain you like to ride on, you will find a bike within the range of Trek bikes to suit your needs. If you would like to explore the range of biking accessories to enhance your cycling experience, we have a wide range of items for you to choose from including bottle cages to hold your drinks cup to first aid kits for any accidents that may occur.

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