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 Rail 29 Gloss Finish Rocker Links replacement components for mountain bike suspension system.Trek Rail 29 Rocker Links replacement components with a glossy finish for Trek mountain bikes.

      Trek 2022 Rail 29 Gloss Finish Rocker Links Replacement Spares & Accessories

      Upgrade your bike with the Trek 2022 Rail 29 Gloss Finish Rocker Links. These durable components enhance frame performance and longevity. Designed for seamless compatibility, they ensure smooth suspension operation and reliable support on every ride. What It’s Good For Improving suspension efficiency and...
      £12.00
      £12.00
    • Black Trek Fuel EX, Remedy & Slash carbon chainstay armor, one size, protective component for mountain bike frames.

        Trek 2017 Fuel EX, Remedy & Slash Carbon Chainstay Armor Black One Size

        Protect your bike’s chainstay with the Trek Carbon Chainstay Armor. Designed for Fuel EX, Remedy, and Slash models, it offers durable defense against wear and damage. Crafted from high-quality carbon, this armor maintains lightweight performance while enhancing frame longevity. Easy to install and built...
        £11.99
        £11.99
      • Trek Fuel EX 29 2017 carbon chainstay strike guard in silver protecting the bike's frame from damage.Trek Fuel EX 29 2017 carbon chainstay strike guard in silver, providing frame protection for mountain bike components.

          Trek Fuel EX 29 2017 Carbon Chainstay Strike Guard Silver – Frame Protection

          Protect your Trek Fuel EX 29 2017 carbon frame with this durable chainstay guard. Designed to prevent damage from chain strikes, it keeps your bike looking pristine. What It’s Good For Safeguards carbon chainstay from scratches and impacts Maintains the bike’s aesthetic and structural...
          £9.99
          £9.99
        • Trek Fuel EX 29 and Remedy 27.5 aluminum downtube armor in black, protective bike component for mountain bike frames.

            Trek 2017 Fuel EX 29 & Remedy 27.5 Aluminum Downtube Armor Black One Size

            Protect your Trek Fuel EX or Remedy frame with this durable aluminum downtube armor. Designed for 2017 models, it offers reliable defense against impacts and debris. Its lightweight construction ensures your bike stays agile while adding essential protection where you need it most. What...
            £11.99
            £11.99
          • Trek Checkpoint SLR bike frame cover for storage protection, showing a durable black component designed for Trek gravel bikes.Trek Checkpoint SLR frame cover for bike storage protection, shown on a Trek bicycle component in a close-up view.

              Trek Checkpoint SLR Frame Cover – Bike Storage Spares & Accessories Protection

              The Trek Cover Trek Checkpoint SLR protects your bike frame with durable materials. Designed for easy installation, it safeguards key areas from damage during rides. Perfect for maintaining your bike’s sleek look and extending its lifespan, this cover fits seamlessly with your Trek components....
              £12.00
              £12.00
            • Trek Verve+ 3 Rib battery cover replacement component, spare accessory for e-bike battery protection and maintenance.Trek Verve+ 3 Rib battery cover replacement for e-bike, spare component shown in black with ribbed design.

                Trek 2022 Verve+ 3 Rib Battery Cover Replacement Spare & Accessory

                Protect your Trek Verve+ 3 with this durable Rib Battery Cover. Designed to fit perfectly and shield your e-bike battery from damage and debris. Made from high-quality materials, it ensures long-lasting performance and a sleek look that complements your bike. What It’s Good For...
                £10.00
                £10.00
              • Trek Domane Alloy headset top cover replacement part for bike components, shown in close-up image.

                  Trek Domane Alloy Headset Top Cover Replacement Spares & Accessories

                  Upgrade your Trek Domane with this durable alloy headset top cover. Designed for a perfect fit, it ensures reliable protection and sleek aesthetics. What It’s Good For Protects headset components from dirt and damage Enhances bike’s overall look with a clean finish Easy to...
                  £10.00
                  £10.00
                • Trek 2016 Top Fuel Fuel EX Stache 29 Carbon downtube armor in black for bike protection and durability.Black carbon downtube armor for Trek 2016 Top Fuel, Fuel EX, and Stache 29 bikes, providing durable protection for components.

                    Trek 2016 Top Fuel, Fuel EX, Stache 29 Carbon Downtube Armor Black Protection

                    Protect your Trek 2016 Top Fuel, Fuel EX, or Stache 29 carbon downtube with this durable armor. Designed to shield against impacts and scratches, it preserves your bike's frame quality. Easy to install and lightweight, this black armor blends seamlessly with your bike for...
                    £13.99
                    £13.99
                  • Trek 2016 ProCaliber SL 29 black chainstay armor protecting bike frame from scratches and damage, mounted on alloy frame.Trek ProCaliber SL 29 bike frame guard in black, protective chainstay armor on a Trek mountain bike.

                      Trek 2016 ProCaliber SL 29 Chainstay Armor Black Protective Bike Frame Guard

                      Protect your Trek ProCaliber 2016 frame with this durable Chainstay Armor. Designed to shield the chainstay from impacts and scratches, it preserves your bike’s sleek look and performance. Made to fit perfectly on the 29-inch ProCaliber, this armor is easy to install and provides...
                      £13.99
                      £13.99
                    • Trek District+ Rib battery cover for Trek bike components, providing protective fit and accessory support.

                        Trek District+ Rib Battery Cover Spare & Accessory – Protective Fit for Trek Bikes

                        Protect your Trek District+ Rib battery with this durable cover. Designed for a perfect fit, it shields your battery from dirt and damage during rides. Crafted with quality materials, it ensures long-lasting protection. What It’s Good For Safeguards battery from impacts and debris Easy...
                        £10.00
                        £10.00
                      • Trek Domane Mkiv downtube storage covers on bike frame, protecting the downtube from scratches and damage.

                          Trek Domane Mkiv Downtube Storage Covers – Bike Frame Protection & Accessories

                          Protect your Trek Domane Mkiv downtube with these durable storage covers. Designed to fit perfectly, they guard against scratches and wear. Easy to install and replace, these covers keep your bike looking new while enhancing its longevity. Ideal for maintaining frame integrity during rides....
                          £10.00
                          £10.00
                        • Trek Boone CX chainstay armor in black, protective bike frame guard, designed for Trek gravel and cyclocross bikes.Trek Boone CX bike chainstay armor in black, protective frame guard for cycling components, designed to shield the bike frame.

                            Trek Boone CX Chainstay Armor Black Protective Bike Frame Guard One Size

                            Protect your bike's chainstay with the durable Trek Boone CX Chainstay Armor. Designed in sleek black, it offers reliable defense against wear and tear. Easy to install and made to fit perfectly, this armor enhances the longevity of your bike frame. What It’s Good...
                            £6.99
                            £6.99
                          • Trek rear derailleur hanger spare part for bike gear alignment and protection, shown in close-up.Trek rear derailleur hanger spare part for bike gear alignment, showing a black metal bike component with mounting holes.

                              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...
                              £7.00
                              £7.00
                            • Trek Domane SLR IsoSpeed front headtube cover in black, bike frame protection component for Trek road bikes.Trek Domane SLR IsoSpeed front headtube cover in black, designed for bike frame protection on Trek road bikes.

                                Trek Domane SLR IsoSpeed Front Headtube Cover Black – Bike Frame Protection

                                Enhance your Trek Domane’s style and protection with the SLR IsoSpeed Front Headtube Cover. Designed for durability and a sleek finish, it seamlessly fits your frame. This component not only boosts your bike’s aesthetics but also safeguards the headtube from dirt and damage during...
                                £39.99
                                £39.99
                              • Black Trek Domane SL IsoSpeed rear cover and seat tube frame protection for Trek road bikes.Trek Domane SL IsoSpeed rear cover in black, seat tube frame protection component for enhanced bike durability.

                                  Trek Domane SL IsoSpeed Rear Cover Black Seat Tube Frame Protection

                                  Protect your Trek Domane SL frame with this sleek IsoSpeed rear cover in black. Designed for durability and a perfect fit, it seamlessly integrates with your seat tube. What It’s Good For Enhances frame protection against dirt and damage Maintains the aerodynamic design of...
                                  £39.99
                                  £39.99
                                • Trek Domane SLR IsoSpeed rear frame covers, durable replacement components for bike frame maintenanceTrek Domane SLR IsoSpeed rear frame cover, durable replacement component for Trek road bike frame.

                                    Trek Domane SLR IsoSpeed Rear Frame Covers – Durable Replacement Spares - Dnister Black

                                    Enhance your Trek Domane SLR with these IsoSpeed rear covers. Designed for durability and a perfect fit, they protect the frame while maintaining sleek aesthetics. Crafted from high-quality materials, these covers ensure your bike stays in top condition. Easy to install, they blend seamlessly...
                                    £39.99
                                    £39.99
                                    • Dnister Black
                                    • Trek Black-Dark Grey
                                    • Crystal White
                                  • Trek Domane SLR IsoSpeed front cover spare replacement for matte black bike frame component.Trek Domane SLR IsoSpeed front cover spare replacement for matte black frame bike component.

                                      Trek Domane SLR IsoSpeed Front Cover Matte Black Frame Spare Replacement - Crystal White

                                      Upgrade your Trek Domane SLR with this Matte Black IsoSpeed Front Cover. Designed for durability and style, it seamlessly fits your frame to maintain optimal performance. What It’s Good For Protecting the front of your Domane SLR frame Enhancing bike aesthetics with a sleek...
                                      £39.99
                                      £39.99
                                      • Crystal White
                                      • Black
                                      • Trek Black
                                      • Dnister Black
                                    • Trek Domane 4 5 6 IsoSpeed external cover frame component for bike protection, showing the spare frame cover in detail.Trek Domane 4 5 6 IsoSpeed external cover frame, bike component for protection, shown on a bicycle frame.

                                        Trek Domane 4 5 6 IsoSpeed External Cover Frame Spare for Bike Protection - White

                                        Protect your Trek Domane 4, 5, or 6 frame with this durable IsoSpeed External Cover. Designed for easy installation, it helps maintain optimal frame performance and aesthetics. What It’s Good For Protecting the IsoSpeed decoupler from dirt and damage Maintaining the sleek look of...
                                        £9.99
                                        £9.99
                                        • White
                                        • Black
                                      • Trek Supercaliber 29 small swingarm assembly in black and radioactive red for 29-inch mountain bike components.Trek Supercaliber 29 small swingarm assembly in black and radioactive red for 29-inch mountain bike components.

                                          Trek 2020 Supercaliber 29 Small Swingarm Assemblies Black/Radioactive Red 29" x 2.2" - Trek Black-Radioactive Red

                                          Upgrade your Trek Supercaliber 29 with these durable Small Swingarm Assemblies. Designed for a perfect fit, they enhance frame stability and performance. Crafted in Trek Black with Radioactive Red accents, these assemblies blend style and strength seamlessly. Ideal for maintaining your bike’s peak condition....
                                          £1,449.99
                                          £1,449.99
                                          • Trek Black-Radioactive Red
                                        • Trek Rail 29 Carbon chainstay spare part for 2020-2023 mountain bike, showing close-up of the black carbon fiber component.Trek Rail 29 Carbon chainstay spare part for 2020-2023 mountain bike, showcasing the black carbon component.

                                            Trek Rail 29 Carbon Chainstay Spares & Accessories 2020-2023 Compatible Parts

                                            Enhance your Trek Rail 29 with genuine carbon chainstay spares. Designed for durability and perfect fit, these components protect your frame during tough rides. What It’s Good For Shielding the chainstay from damage and wear Maintaining the original performance of your bike Easy installation...
                                            £13.00
                                            £13.00
                                          • Gloss black Trek Allant+ Rib 625W bike cover, designed for Trek e-bikes, with durable material and secure fit.Gloss black Trek Allant+ Rib 625W bike cover for bike protection, showcasing durable material and secure fit.

                                              Trek Allant+ Rib 625W Bike Cover Gloss Black – Trek Spares & Accessories

                                              Protect your Trek Allant+ Rib 625W with this sleek gloss black cover. Designed for durability, it keeps your frame safe from scratches and dirt. Crafted specifically for Trek models, it ensures a perfect fit and lasting protection. What It’s Good For Shielding your bike...
                                              £10.00
                                              £10.00
                                            • Trek Madone SL headset cover, a protective bike component accessory with a sleek design for Trek road bikes.Trek Madone SL headset cover, a protective bike component spare with black and silver design visible in the image.

                                                Trek Madone SL Headset Cover – Protective Spares & Accessories for Bikes

                                                Protect your Madone SL headset with Trek's durable cover. Designed for a precise fit, it safeguards crucial components from dust and damage, extending your bike's lifespan. What It’s Good For Shielding headset from dirt and debris Maintaining component longevity Easy installation and removal Compatible...
                                                £1.00
                                                £1.00
                                              • Black Trek 2018 Session headtube bumper for bike frame protection, one size, durable component for mountain bikes.Black Trek 2018 Session headtube bumper, bike frame protection component, designed to shield the headtube from impacts.

                                                  Trek 2018 Session Headtube Bumper Black One Size – Bike Frame Protection

                                                  Protect your bike’s headtube with the Trek Session Headtube Bumper. Designed for durability and style, this black bumper fits perfectly to shield your frame from impacts and scratches. Easy to install and made with high-quality materials, it ensures long-lasting protection without adding bulk, keeping...
                                                  £17.00
                                                  £17.00
                                                • Trek full suspension bike component with grey and red sealed bearing, 8x16x5mm size, for replacement and maintenance.Trek full suspension bike component with grey and red sealed bearing, 8x16x5mm size, for replacement or maintenance.

                                                    Trek Full Suspension 8x16x5mm Sealed Bearing Grey/Red for Bikes Replacement

                                                    Ensure smooth performance with Trek Full Suspension 8x16x5mm sealed bearings. Designed for durability, these grey/red bearings enhance your bike's efficiency and longevity. What It’s Good For Perfect replacement for Trek and Gary Fisher full suspension bikes Sealed design protects against dirt and moisture Improves...
                                                    £9.99
                                                    £9.99
                                                  • Trek RIB System battery retention kit for Powerfly 2019 models, black M5 x 30mm components for secure battery mounting.Trek Powerfly 2019 battery retention kit with black M5 x 30mm components for RIB system on e-bike.

                                                      Trek RIB System Battery Retention Kit M5 x 30mm for Powerfly 2019 Models Black

                                                      Secure your Trek Powerfly battery with the Trek RIB System Battery Retention Kit. Designed for durability and ease of use, this kit ensures your battery stays firmly in place during every ride. Made with high-quality materials, it fits perfectly with your frame, providing reliable...
                                                      £24.99
                                                      £24.99
                                                    • Yellow Trek Rocker Pivot Bushing for full-suspension bikes, durable replacement component for bike suspension system.Yellow Trek Rocker Pivot Bushing for full-suspension bikes, durable replacement component, shown in the image.

                                                        Trek Rocker Pivot Bushing Yellow for Full-Suspension Bikes Durable Replacement Part

                                                        The Trek Rocker Pivot Bushing in vibrant yellow ensures smooth suspension movement and reliable performance. Designed for durability, it fits perfectly within full-suspension frames. Upgrade your bike's suspension hardware with this high-quality component for enhanced ride control and comfort. What It’s Good For Maintaining...
                                                        £4.99
                                                        £4.99
                                                      • Trek yellow main axle pivot bushing tophat for full suspension bike frames, close-up view of component detailsYellow Trek main axle pivot bushing top hat for full suspension frames, component part for bike maintenance and repair.

                                                          Trek Main Axle Pivot Bushing Tophat Yellow for Full Suspension Frames

                                                          Upgrade your bike's suspension with the Trek Main Axle Pivot Bushing Tophat in Yellow. Designed for durability and precision, it ensures smooth pivot movement and enhances overall ride quality. Perfect for maintaining your Trek or Fisher full-suspension frame's performance. What It’s Good For Improving...
                                                          £12.99
                                                          £12.99
                                                        • Trek M5 x 16mm grey flanged head fastener for front derailleur replacement component, close-up of metal bike part.Trek front derailleur flanged head fastener in grey, M5 x 16mm replacement component for bicycle drivetrain.

                                                            Trek Front Derailleur Flanged Head Fastener M5 x 16mm Grey Replacement Part

                                                            Ensure a secure fit with the Trek Front Derailleur Flanged Head Fastener. Designed for durability and precise attachment. Its grey finish complements your bike's components, maintaining both function and style. Perfect for reliable front derailleur installation. What It’s Good For Replacing worn or lost...
                                                            £6.99
                                                            £6.99
                                                          • Trek Domane SLR brow cover replacement component, genuine Trek spare part for bike maintenance.Trek Domane SLR brow cover replacement component, showing the genuine spare part for bike frame accessories.

                                                              Trek Domane SLR Brow Cover Replacement | Genuine Spares & Accessories

                                                              Maintain your Trek Domane SLR with this genuine Brow Cover replacement. Designed for a perfect fit, it ensures your bike stays in top condition. Note that attachment hardware is sold separately. What It’s Good For Restoring the front derailleur mount to original specifications Protecting...
                                                              £22.00
                                                              £22.00
                                                            • Trek 2016 Top Fuel 29 front derailleur nut for 1x low direct mount with 148x12mm thru axle, component part for mountain bike.Trek 2016 Top Fuel 29 front derailleur nut for 1x low direct mount, 148x12mm thru axle, component part, close-up detail

                                                                Trek 2016 Top Fuel 29 Front Derailleur Nut 1x Low Direct Mount 148x12mm Thru Axle

                                                                Ensure optimal performance with the Trek 2016 Top Fuel 29 1x Low Direct Mount Front Derailleur Nut. Designed for precise fit and durability, this component supports smooth gear shifting and reliable front derailleur attachment. Crafted to match your Trek frame's specifications, it offers a...
                                                                £8.99
                                                                £8.99
                                                              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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