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 Madone SLR headset spacers for Aero integrated handlebar Blendr system, bike component accessories.Trek Madone SLR headset spacers for Aero integrated handlebar Blendr system, black metal components for bike assembly.

      Trek Madone SLR Headset Spacers for Aero Integrated Handlebar Blendr System Accessories

      Enhance your Trek Madone SLR setup with these precision headset spacers designed for seamless integration. Crafted to fit perfectly with the Aero Integrated handlebar, they ensure a clean, streamlined appearance while maintaining optimal performance. These spacers work with the Blendr system, combining stem, base,...
      £5.52
      £6.96
      £5.52
      Save £1.44
    • Trek Vigorelli Alloy Blue Track Frame Spares & Accessories

        Trek Vigorelli Alloy Blue Track Frame for Cycling Spares & Accessories

        Upgrade your bike with the Trek Vigorelli Alloy Blue Track Frame. Crafted for durability and style, this frame offers excellent performance on the track. Its vibrant blue finish adds a sleek, modern touch to your ride. Designed by Trek, this component ensures compatibility with...
        £1.66
        £2.00
        £1.66
        Save £0.34
      • Trek Slash Gen 6 paint match storage door cover for carbon bike frames, showcasing the component's fit and finish on the bike.Trek Slash Gen 6 paint match storage door cover for carbon models, bike frame component in black with mounting hardware

        Trek Frame Parts Slash Gen 6 Paint Match Storage Door Cover for Carbon Models - Daintree

        The Trek Frame Parts Slash Gen 6 Paint Match Storage Door Cover for Carbon Models is expertly designed to preserve both the performance and look of your Trek Slash Gen 6 carbon frame. This cover perfectly matches the original paint, providing a seamless and...
        £48.29
        £59.99
        £48.29
        Save £11.70
        • Daintree
        • Lichen Green
        • Quicksilver
      • Trek Madone SL6 IsoSpeed top tube cover for frame protection on a 2023 road bike, showing the sleek black component.Trek Madone SL6 IsoSpeed top tube cover, a frame protection accessory for Trek 2023 Madone bikes.

        Trek 2023 Madone SL6 IsoSpeed Top Tube Cover – Frame Protection Accessory - Dnister Black

        Protect your Trek Madone SL6 with this IsoSpeed Top Tube Cover in Hex Blue. Designed for durability, it preserves your frame's finish while enhancing its sleek look. Crafted specifically for the 2023 Madone SL6, this cover ensures a perfect fit and reliable protection against...
        £48.29
        £59.99
        £48.29
        Save £11.70
        • Dnister Black
        • Hex Blue
      • Trek Rail 7 29 2022 battery cover frame protector for Rail 7 model mountain bike, component part with frame protection.Trek Rail 7 29 2022 battery cover frame part, bike component protector for Rail 7 model, black plastic with mounting edges.

          Trek Rail 7 29 2022 Battery Cover Frame Parts Protector for Rail 7 Model - Black Olive, Quicksilver

          Protect your Trek Rail 7 29 2022 battery with this durable cover. Designed for a perfect fit, it shields your battery from dirt and damage. What It’s Good For Safeguards battery from external impacts and debris Maintains the sleek look of your Trek Rail...
          £112.69
          £139.99
          £112.69
          Save £27.30
          • Black Olive, Quicksilver
          • Crimson, Chrome
          • Dark Aquatic, Volt
          • Trek Black, Miami Green
        • Trek Fuel EX black downtube storage door assembly for carbon frame protection, component for bike frame durability.Trek Fuel EX black downtube storage door assembly attached to a carbon frame, designed for bike component protection.

            Trek Fuel EX Black Downtube Storage Door Assembly for Carbon Frame Protection

            Protect your Trek Fuel EX downtube with this sleek black carbon storage door. Designed for durability and a perfect fit, it enhances both function and style. What It’s Good For Securing internal storage compartments Protecting downtube components from debris Maintaining the bike’s aerodynamic profile...
            £48.29
            £59.99
            £48.29
            Save £11.70
          • Trek carbon bottom bracket repair sleeve for carbon bike frames, close-up view of the component in natural lightingTrek Carbon Bottom Bracket Repair Sleeve for bike frames, showing a close-up of the component used in carbon bike frame maintenance.

              Trek Carbon Bottom Bracket Repair Sleeve for Carbon Bike Frames

              The Trek Bottom Bracket Carbon Repair Sleeve is engineered to provide a durable and precise solution for maintaining and repairing carbon bike frames. Designed specifically to fit around the bottom bracket area, this sleeve reinforces the frame's structural integrity without adding unnecessary weight. Its...
              £24.14
              £29.99
              £24.14
              Save £5.85
            • Black Trek Control Freak trimmable headtube plug for cable management, designed for clean bike component installation.Black Trek Control Freak Trimmable Headtube Plug for cable management, shown installed in a bicycle headtube.

                Trek Control Freak Trimmable Headtube Plug for Cable Management Black

                The Trek Control Freak Trimmable Headtube Plug offers sleek cable management for your bike. Its adjustable design ensures a perfect fit, enhancing frame aesthetics and performance. Made to be lightweight and durable, it reduces noise and keeps cables secure, making your ride smoother and...
                £2.40
                £2.99
                £2.40
                Save £0.59
              • Trek Control Freak Headtube Cable Guide in black for efficient cable routing on bicycle components.Black Trek Control Freak Headtube cable guide for efficient cable routing on bike components

                  Trek Control Freak Headtube Cable Guide Black for Efficient Cable Routing

                  The Trek Control Freak Headtube Cable Guide in black offers seamless cable routing for a clean, quiet ride. Its lightweight design ensures minimal impact on performance while enhancing durability and versatility. Designed to fit a variety of frames, this cable guide keeps cables secure...
                  £11.26
                  £13.99
                  £11.26
                  Save £2.73
                • Trek head tube square plug kit with four black frame protection plugs for bicycle component maintenance.Trek Head Tube Square Plug Kit with four black frame protection plugs for bike head tubes and components.

                    Trek Head Tube Square Plug Kit – Pack of 4 Black Frame Protection Plugs

                    Enhance your bike's durability with the Trek Head Tube Square Plug 4-Pack. These black plugs provide a secure fit, protecting your frame's head tube from dirt and damage. Designed for seamless installation, they maintain your bike's sleek appearance while offering reliable protection during rides....
                    £5.63
                    £6.99
                    £5.63
                    Save £1.36
                  • Trek Rocker Link Pivot Spacer for full-suspension mountain bike frame upgrade and maintenance components.Trek Rocker Link Pivot Spacer for full-suspension bike frame upgrade and maintenance, showing the small black component.

                      Trek Rocker Link Pivot Spacer for Full-Suspension Frame Upgrade and Maintenance - Solid Charcoal

                      Upgrade your Trek full-suspension frame with this Rocker Link Pivot Spacer. Designed for precise fit and durability, it ensures smooth suspension performance and long-lasting reliability. What It’s Good For Enhances full-suspension frame efficiency Durable construction for extended use Easy installation for quick maintenance Compatible...
                      from £5.63
                      £6.99
                      from £5.63
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                      • Solid Charcoal
                      • Black
                    • Trek Fastener Fuel Exe 29 2023 upper shock trunnion component for mountain bike suspension system.Trek Fastener Fuel Exe 29 2023 upper shock trunnion component for mountain bike suspension system.

                        Trek Fastener Fuel Exe 29 2023 Upper Shock Trunnion Spares & Accessories

                        Enhance your Trek Fastener Fuel Exe 29 2023 with genuine upper shock trunnion spares. Designed for perfect fit and durability, these components ensure seamless performance and longevity. What It’s Good For Maintaining optimal suspension function Extending the lifespan of your bike frame Easy replacement...
                        £10.46
                        £12.99
                        £10.46
                        Save £2.53
                      • Trek rear derailleur hanger spare part for bike gear alignment and protection, showcasing the component's design and mounting features.Trek rear derailleur hanger spare part for bike gear alignment and protection, shown on a white background.

                          Trek Rear Mech Hanger Spares & Accessories for Bike Gear Alignment and Protection

                          Upgrade your Trek bike with the Rear Mech Hanger Spares & Accessories. Designed for durability, it ensures smooth gear shifts and protects your frame. Compatible with various Trek models, this component is essential for maintaining optimal performance and extending your bike's lifespan. What It’s...
                          £5.80
                          £7.00
                          £5.80
                          Save £1.20
                        • Trek Vigorelli Alloy Blue Track Frame Spares & Accessories

                            Trek Vigorelli Alloy Blue Track Frame for Cycling Spares & Accessories

                            The Trek Vigorelli Alloy Blue Track Frame offers a lightweight and durable design ideal for competitive track cycling. Crafted with precision, it ensures optimal stiffness and responsive handling for a smooth ride. Its vibrant blue finish not only looks striking but also resists wear...
                            £20.70
                            £25.00
                            £20.70
                            Save £4.30
                          • Trek Powerfly 27.5+ top motor cover replacement component for e-bike, showing a black protective cover on the motor.Trek Powerfly 27.5+ top motor cover replacement spare component for e-bike motor protection.

                              Trek Powerfly 27.5+ Top Motor Covers Replacement Spares & Accessories

                              Protect your Trek Powerfly 27.5+ motor with these durable top motor covers. Designed to fit perfectly, they safeguard vital components from dirt and damage. Made from high-quality materials, these spares ensure long-lasting performance and easy installation, keeping your e-bike running smoothly. What It’s Good...
                              £24.14
                              £29.99
                              £24.14
                              Save £5.85
                            • Trek 2023 Farley alloy rigid fork bumpers and accessories, bike components for mountain bike suspension protection.Trek 2023 Farley alloy rigid fork bumpers and accessories for bicycle components, shown in a close-up image.

                                Trek 2023 Farley Alloy Rigid Fork Bumpers & Accessories Spares

                                Upgrade your Trek Speed Concept with the Top Tilt Adjust Plate in sleek black. This precision component enhances your bike's handling and fit. What It’s Good For Improving frame adjustment for a customized ride Durable construction for long-lasting performance Seamless integration with Trek Speed...
                                £8.85
                                £10.99
                                £8.85
                                Save £2.14
                              • Black Trek Speed Concept aerobar bullhorn grips with grip stop, designed for cycling components and aerodynamic performance.Black Trek Speed Concept aerobar bullhorn grips with grip stop, designed for road bike handlebar components.

                                  Trek Speed Concept Aerobar Bullhorn Grips Black - SC Bullhorn Grip Stop

                                  Enhance your ride with the Trek Speed Concept Aerobar Bullhorn Grips. Designed for comfort and control, these grips provide a secure hold during intense cycling sessions. What It’s Good For Improves grip and handling on bullhorn aerobars Durable material ensures long-lasting performance Fits seamlessly...
                                  £8.05
                                  £9.99
                                  £8.05
                                  Save £1.94
                                • Trek Diamant RIB Bosch Battery Ejector Frame Assembly in black for e-bike components, part v2, with detailed frame and ejector mechanism.Trek Diamant RIB Bosch Battery Ejector Frame Assembly Black v2 for e-bikes, showing the black component with mounting details

                                    Trek-Diamant RIB Bosch Battery Ejector Frame Assembly Black v2 for E-Bikes

                                    The Trek-Diamant RIB Ejector Frame Assembly Black offers a robust solution for integrating your Bosch battery seamlessly. Designed for durability and precision, this frame assembly enhances the structural integrity of your e-bike. Its streamlined design ensures easy installation and reliable battery ejection, making maintenance...
                                    £9.65
                                    £11.99
                                    £9.65
                                    Save £2.34
                                  • Trek Bontrager Speed Concept Base UCI legal 420mm black aerodynamic bike handlebar for road cycling components.Trek Bontrager Speed Concept Base UCI legal aerodynamic black bike handlebar, 420mm, designed for racing bikes.

                                      Bontrager Speed Concept Base UCI Legal Handlebar 420mm Aerodynamic Bike Bar Black

                                      The Bontrager Speed Concept Base UCI Legal Handlebar offers an aerodynamic design ideal for competitive cycling. Its 420 mm width ensures precise handling and control on every ride. What It’s Good For Optimizing aerodynamic performance for time trials Providing a lightweight, durable frame component...
                                      £257.59
                                      £319.99
                                      £257.59
                                      Save £62.40
                                    • Trek Superfly SL 29 chainstay guard, durable bike protection component, mounted on a mountain bike frame.Trek Superfly SL 29 chainstay guard, durable bike protection component for Trek mountain bikes, shown on a bike frame.

                                        Trek Superfly SL 29 Chainstay Guard – Durable Bike Protection & Accessories Spares

                                        Protect your Trek Superfly SL 29 chainstay with this durable guard. Designed to prevent scratches and damage during rides, it ensures your frame stays in top condition. Easy to install, this chainstay guard fits perfectly and offers long-lasting protection. An essential accessory to maintain...
                                        £7.45
                                        £9.00
                                        £7.45
                                        Save £1.55
                                      • Trek Trinity 531 Le Track Spares & AccessoriesTrek Trinity 531 Le Track Spares & Accessories | Swinnerton Cycles

                                        Trek Trinity 531 Le Track Spares & Accessories for Emonda SL/SLR Di2 Maintenance

                                        Discover the Trek Trinity 531 Le Track Spares & Accessories, designed for seamless bike maintenance and upgrades. Crafted by Trek, it ensures durability and perfect fit for your frame. This component kit offers essential parts to keep your Emonda SL/SLR Di2 running smoothly, enhancing...
                                        £68.72
                                        £83.00
                                        £68.72
                                        Save £14.28
                                      • Trek Madone Gen2 rear derailleur hanger in black, 135mm quick-release, drive side bicycle component for road bike.Trek Madone Gen2 black rear derailleur hanger with 135mm quick-release, rear drive side bicycle component.

                                          Trek Madone Gen2 Rear Derailleur Hanger Black 135mm Q/R Rear Drive Side

                                          The Trek Madone Gen2 Rear Derailleur Hanger in black is designed for precise rear drive side alignment with a 135mm Q/R. It ensures smooth gear shifts and reliable performance for your bike frame. Crafted to fit perfectly with Trek frames, this hanger enhances drivetrain...
                                          £16.09
                                          £19.99
                                          £16.09
                                          Save £3.90
                                        • Trek Madone SLR painted seatpost in Viper Red and Navy Smoke, aerodynamic fit, lightweight cycling component.Trek Madone SLR painted seatmast seatpost in Viper Red and Navy Smoke with aerodynamic design for road bikes.

                                          Trek Madone SLR Painted Seatmasts Seatpost Viper Red/Navy Smoke Aerodynamic Fit - Crimson-Carbon Smoke

                                          Upgrade your bike with the Trek Madone SLR Painted Seatmasts Seatpost, designed for a sleek, aerodynamic finish. Its vibrant Viper Red/Navy Smoke color adds a stylish touch while maintaining durability. This seatpost fits perfectly with the Madone SLR frame, ensuring optimal performance and comfort...
                                          £386.39
                                          £479.99
                                          £386.39
                                          Save £93.60
                                          • Navy Smoke-Trek White
                                          • Viper Red-Carbon Blue Smoke
                                          • Amethyst
                                          • Dnister Black-Trek Black
                                        • Trek black barrel adjusters for downtube brake cables, used for fine-tuning bike brake tension, component for bicycle maintenance.Trek black barrel adjusters for downtube brake cables, fine-tuning bicycle brake tension, shown on bike component.

                                            Trek Black Barrel Adjusters for Downtube Brake Cable Fine-Tuning One Size

                                            Enhance your bike’s braking precision with the Trek Barrel Adjusters in black. Designed for easy cable tension fine-tuning, these adjusters ensure smooth and responsive brake performance. Crafted to fit most downtube setups, they provide reliable durability and a sleek, minimalistic look that complements any...
                                            £5.63
                                            £6.99
                                            £5.63
                                            Save £1.36
                                          • Trek 2-part 50 ml adhesive dispenser with grey and black workshop plunger, featuring 1:1 and 2:1 ratio for precise applicationTrek 2-Part 50 ml adhesive dispenser with grey and black workshop plunger, designed for precise 1:1 and 2:1 ratio glue application

                                              Trek 2-Part 50 ml Adhesive Dispenser with 1:1/2:1 Ratio Plunger Grey/Black

                                              Designed for precise adhesive application, the Trek 2-Part 50 ml Dispenser ensures consistent mixing with its 1:1/2:1 ratio plunger. Crafted from lightweight yet durable plastic, it offers reliable performance in any workshop setting. What It’s Good For Accurate dispensing of adhesives with dual ratio...
                                              £52.32
                                              £64.99
                                              £52.32
                                              Save £12.67
                                            • Trek waterproof black bike rack pannier bag with buckle closure, compact 0.8L accessory for cycling gear storage.Trek waterproof buckled NIP bike rack pannier bag in black, compact 0.8L accessory for cycling and bike storage.

                                                Trek Waterproof Buckled NIP Bag 0.8L – Compact Bike Rack Pannier Bag Black

                                                The Trek Waterproof Buckled NIP Bag Black 0.8L is the perfect companion for cyclists and outdoor enthusiasts who demand reliability and protection. Made from durable, waterproof materials, this bag safeguards your essentials against rain and moisture, ensuring your items stay dry no matter the...
                                                £11.26
                                                £13.99
                                                £11.26
                                                Save £2.73
                                              • Trek Solstice women's cycling jersey featuring breathable fabric and eco-friendly performance fit, designed for comfortable riding.Trek Solstice women's cycling jersey, breathable eco-friendly performance fit, lightweight clothing designed for comfort and cycling.

                                                Trek Solstice Women's Cycling Jersey Breathable Performance Fit Eco-Friendly - Blush

                                                The Trek Solstice Women's Cycling Jersey combines comfort and performance with eco-conscious materials. Designed specifically for women, it offers a breathable fit that keeps you cool on every ride. Durable and lightweight, this jersey supports your cycling goals, whether you're a beginner or a...
                                                from £25.86
                                                £29.99
                                                from £25.86
                                                Save £4.13
                                                • Blush
                                                • Black
                                                • Dusty Blue
                                              • 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 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 - White

                                                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 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
                                              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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