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 Suspension Part Warranty Nut Insert M8X1.25 6.5 Thk BlackTrek Suspension Part Warranty Nut Insert M8X1.25 6.5 Thk Black

      Trek Suspension Part Warranty Nut Insert M8X1.25 6.5 Thk Black

      £6.99
      £6.99
      £6.99
      Save £0.00
    • Trek Battery Part Trek Fuel Exe Pull Handle

        Trek Battery Part Trek Fuel Exe Pull Handle

        £8.99
        £8.99
        £8.99
        Save £0.00
      • Trek Fender Part Trek Domane+ Hp Mount RearTrek Fender Part Trek Domane+ Hp Mount Rear

          Trek Fender Part Trek Domane+ Hp Mount Rear

          £8.99
          £8.99
          £8.99
          Save £0.00
        • Trek OCLV Compact Front Mech Hanger | Swinnerton CyclesTrek OCLV Compact Front Mech Hanger | Swinnerton Cycles

            Trek OCLV Compact Front Mech Hanger for Carbon Frames – Front Derailleur Support

            The Trek OCLV Compact Front Mech Hanger is an essential component designed to optimize the performance of your bike’s transmission system. Expertly crafted by Trek, this hanger is tailored to fit OCLV carbon frames perfectly, ensuring precise alignment and steady support for your front...
            £24.83
            £29.99
            £24.83
            Save £5.16
          • Trek Angle Adjust 1.0 & 2.0 black headset lower cup for 1-degree head tube adjustments on bicycle frames.Trek Angle Adjust 1.0 & 2.0 black headset lower cup for bike components, designed for all frames.

              Trek Angle Adjust 1.0 & 2.0 1-Degree Black Headset Lower Cup for All Frames - Black

              The Trek Angle Adjust 1.0 & 2.0 1-Degree Headset Lower Cup in black is designed to fit all frames, providing precise steering adjustment. This component enhances your bike’s handling by allowing fine-tuning of the headset angle for optimal performance. Durable and easy to install,...
              £24.14
              £29.99
              £24.14
              Save £5.85
              • Black
            • Trek 3803 Replacement Rear Suspension Bearing Hub PartsTrek 3803 Replacement Rear Suspension Bearing Hub Parts | Swinnerton Cycles

                Trek 3803 Rear Suspension Bearing Hub Replacement Parts for Smooth Ride

                Upgrade your Trek bike with the 3803 rear suspension bearing hub parts. Designed for durability and smooth performance, these components ensure reliable wheel rotation and enhanced ride comfort. Easy to install and built to fit perfectly, they keep your suspension system running efficiently, reducing...
                £10.76
                £13.00
                £10.76
                Save £2.24
              • Trek 3S Chainkeeper in black for Domane, Madone, and Crockett CX bikes, component accessory for secure chain management.Trek 3S Chainkeeper in black for Domane, Madone, and Crockett CX bikes, component image showing the bike chain guide attachment.

                  Trek 3S Chainkeeper Black for Domane, Madone & Crockett CX Bikes One Size

                  The Trek 3S Chainkeeper Black secures your chain during transportation and maintenance. Designed for reliable performance with Domane, Madone, and Crockett CX models. Its durable build ensures smooth transmission and protects your drivetrain from damage. What It’s Good For Keeping the chain stable during...
                  £16.09
                  £19.99
                  £16.09
                  Save £3.90
                • Trek CeramicSpeed coated SRAM BB90/95 bottom bracket kit in grey, 90mm length, no axle, for bicycle components.Trek CeramicSpeed coated SRAM BB90/95 bottom bracket kit in grey with 90mm spindle, no axle, for bike component upgrade.

                    Trek CeramicSpeed Coated SRAM BB90/95 Bottom Bracket Kit Grey 90mm No Axle

                    Upgrade your bike’s drivetrain with the Trek CeramicSpeed SRAM Coated BB90/95 Kit. Designed for durability and top-tier performance, this bottom bracket features ceramic bearings that significantly reduce friction, making your ride smoother and more efficient. Crafted from Grade 3 Silicon Nitride, the highest quality...
                    £188.37
                    £237.51
                    £188.37
                    Save £49.14
                  • Trek Speed Concept Tower Topper Left Mid Bar component, spare part for bicycle handlebar upgrade or repair.Trek Speed Concept Tower Topper Left Mid Bar component, spare bike part for aerodynamic road bike upgrade

                      Trek Speed Concept Tower Topper Left Mid Bar Part – Spares & Accessories

                      Upgrade your bike with the Trek Bar Part Speed Concept Tower Topper Left Mid. Designed for precision steering and durability, this component ensures smooth handling and enhanced control. Crafted by Trek, it seamlessly fits into your Speed Concept setup, offering reliable performance during intense...
                      £32.20
                      £39.99
                      £32.20
                      Save £7.79
                    • Trek Speed Concept Tower Topper Right Mid Bar component for bicycle spares and accessories, showing the metal part with branding.Trek Speed Concept Tower Topper Right Mid Bar component, bike spare part with black finish and precise fit for speed concept bikes

                        Trek Speed Concept Tower Topper Right Mid Bar Part – Spares & Accessories

                        Upgrade your bike with the Trek Bar Part Speed Concept Tower Topper Right Mid. Designed for precision steering and enhanced control, this component ensures a secure fit and durable performance. Crafted by Trek, it seamlessly integrates with your Speed Concept setup, providing reliable support...
                        £32.20
                        £39.99
                        £32.20
                        Save £7.79
                      • Trek Dual Sport+ Rigid Fork for 700c wheels, black, 50mm offset, 325mm length, bike component for hybrid or adventure bikes

                          Trek Dual Sport+ Rigid Fork 325mm 50mm Offset for 700c Wheels, Trek Black

                          Experience precise steering with the Trek Dual Sport+ Rigid Forks. Designed for 700c wheels, these forks offer durability and control on varied terrains. The sleek matte Trek Black finish combines style with performance, enhancing your bike's responsiveness. With a 325mm length and 50mm offset,...
                          £112.69
                          £139.99
                          £112.69
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                        • Trek Allant+ Diamant Zouma+ black battery spacer for 500Wh in 625Wh e-bike battery slots, component part.Trek Allant+ Diamant Zouma+ black battery spacer for 500Wh in 625Wh slots, bicycle component for e-bike battery fitting.

                            Trek Allant+ Diamant Zouma+ Battery Spacer Black for 500Wh in 625Wh Slots

                            Optimize your Trek Allant+ or Diamant Zouma+ with this sleek black battery spacer. Designed for a perfect fit, it bridges the space between your 625Wh and 500Wh battery slots seamlessly. Crafted from durable materials, this spacer ensures stability and protects your battery setup. Its...
                            £12.06
                            £14.99
                            £12.06
                            Save £2.93
                          • Trek Speed Concept Aerobar Mono Spacer Spares & AccessoriesTrek Speed Concept Aerobar Mono Spacer Spares & Accessories

                              Trek Speed Concept Aerobar Mono Spacer Replacement & Accessories for Bikes

                              Upgrade your Trek Speed Concept with this precise Aerobar Mono Spacer. Crafted from durable alloy, it ensures a secure fit and enhances your bike's performance. Designed specifically for Trek frames, this spacer offers reliable support and easy installation, making it an essential component for...
                              £8.05
                              £10.00
                              £8.05
                              Save £1.95
                            • Trek Remedy 27.5 aluminum seatstay frame component for mountain bike repair, showing the sleek aluminum construction.Trek 2019 Remedy mountain bike aluminum seatstay frame component for repair, showcasing the sleek frame parts.

                              Trek 2019 Remedy 27.5 Aluminum Seatstay Frame Parts for Mountain Bike Repair - Trek Black

                              The Trek 2019 Remedy 27.5 Aluminum Seatstay Frame Parts are meticulously designed to deliver superior durability and performance for your mountain bike. Crafted from premium aluminum, these components provide a perfect balance of strength and lightness, ensuring your bike remains agile and responsive across...
                              £354.19
                              £439.99
                              £354.19
                              Save £85.80
                              • Anthracite, Black
                              • Miami Green
                              • Teal
                              • Trek Black
                            • Trek Slash 29 main pivot bearing spacer in solid charcoal, 44mm x 17mm, for bike component replacement.Trek 2021 Slash 29 main pivot bearing spacer, 44mm x 17mm solid charcoal replacement component for mountain bike frame.

                                Trek 2021 Slash 29 Main Pivot Bearing Spacer 44mm x 17mm Solid Charcoal Replacement

                                Upgrade your Trek 2021 Slash with this solid pivot bearing spacer. Designed to fit perfectly with 44mm x 17mm dimensions, it ensures smooth frame movement and durability. Crafted from high-quality materials, this spacer supports your bike’s main pivot, enhancing overall performance and longevity. What...
                                £8.05
                                £9.99
                                £8.05
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                              • Trek Madone 9 Series 5mm 2-piece headset spacer for bike frame, component replacement, black, lightweight aluminum.Trek Madone 9 Series 5mm 2-piece headset spacer for bike frame, component replacement, black color, lightweight aluminum design.

                                Trek Madone 9 Series 5mm 2-Piece Headset Spacer Frame Spare for Bike - Black

                                Enhance your Trek Madone 9 Series with this 5mm 2-piece headset spacer. Designed for precise fit and durability, it ensures smooth steering and optimal performance. What It’s Good For Provides a secure fit for Trek Madone 9 Series frames Improves headset alignment and bike...
                                £16.09
                                £19.99
                                £16.09
                                Save £3.90
                                • Black
                              • Trek E2 headset lower bearing with 45-degree angle in grey for Madone 4, 5, and 6-series bikes, component part for bicycle steering.Trek E2 headset lower bearing in grey for Madone 4, 5, and 6-series bikes, showing the 45-degree angle design.

                                  Trek E2 Headset Lower Bearing 45-Degree Grey for Madone 4, 5 & 6-Series Bikes

                                  The Trek E2 Headset Lower Bearing 45-Degree Grey is designed for smooth steering and durability. It fits 2008-11 Madone 4, 5, and 6-Series frames, ensuring precise handling. Constructed with a durable steel bearing housing, it offers long-lasting performance and reliability for your bike's front...
                                  £16.09
                                  £19.99
                                  £16.09
                                  Save £3.90
                                • Trek Ticket S 26 Rocker Link in Emerald Iris, suspension component for Trek mountain bikes, 2014-2018, one size.

                                    Trek Ticket S 26 Rocker Link Emerald Iris Suspension Part 2014-2018 One Size

                                    Upgrade your Trek Ticket S 26 with this genuine Rocker Link in Emerald Iris. Designed for perfect fit and durability, it ensures smooth suspension performance. Crafted to match 2014-2018 models, this reliable component restores your bike’s handling and ride quality. What It’s Good For...
                                    £257.59
                                    £319.99
                                    £257.59
                                    Save £62.40
                                  • 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
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                                      • 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
                                      • Black Trek Domane+ SLR range extender cable guide for cable management on Trek bicycle components.Black Trek Domane+ SLR range extender cable guide for cable management on bike components.

                                          Trek Domane+ SLR Range Extender Cable Guide Black – Cable Management Accessory

                                          Optimize your Trek Domane+ SLR with this sleek Range Extender Cable Guide. Designed for seamless cable management, it keeps your bike tidy and efficient. Crafted with precision, this black cable guide ensures durability and easy installation, enhancing your bike's performance and aesthetics. What It’s...
                                          £16.09
                                          £19.99
                                          £16.09
                                          Save £3.90
                                        • 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 Carbon Chainstay Main Pivot Hardware Kit for Fuel EX and Remedy bikes, black carbon components, 2016-2019 model series.Trek Carbon Chainstay Main Pivot Hardware Kit for Fuel EX and Remedy bikes, black carbon components, includes pivot hardware.

                                              Trek Carbon Chainstay Main Pivot Hardware Kit 2016-2019 Fuel EX & Remedy Black Carbon

                                              Upgrade your Trek bike with the Carbon Chainstay Main Pivot Hardware Kit, designed for 2016-2019 models. This kit ensures precise suspension performance and durability. Crafted for compatibility with Fuel EX and Remedy models, it offers reliable support to enhance your riding experience. Its black...
                                              £36.21
                                              £44.99
                                              £36.21
                                              Save £8.78
                                            • 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 Domane SLR downtube storage cover for bike frame, protective component accessory for Trek road bikes.Trek Domane SLR downtube storage cover for bike frame, protective component for Trek road bike accessories.

                                                        Trek Domane SLR Downtube Storage Cover Frame Spare – Protective Bike Accessory - Dnister Black

                                                        Protect your Trek Domane SLR frame with this downtube storage cover, designed for a perfect fit. Its colour-matched design ensures seamless integration without compromising style or function. Durable and easy to install, this accessory safeguards your frame while maintaining Trek’s sleek aesthetic. Ideal for...
                                                        £48.29
                                                        £59.99
                                                        £48.29
                                                        Save £11.70
                                                        • Dnister Black-Viper Red
                                                        • Trek Black-Quicksilver
                                                      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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