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 SL IsoSpeed bike frame parts cover, protective shield for bike frame components, in black with Trek branding.Trek Madone SL IsoSpeed bike frame parts cover, protective shield for Trek road bike frame components.

      Trek Madone SL IsoSpeed Frame Parts Cover – Protective Bike Frame Shield - Viper Red

      Protect your Trek Madone SL IsoSpeed frame with this sleek cover. Designed to fit perfectly, it guards against scratches and dirt while maintaining the bike’s aerodynamic profile. Crafted from durable materials, the cover ensures long-lasting protection without adding bulk. Its dark prismatic finish complements...
      £59.99
      £59.99
      • Viper Red
      • Deep Dark Blue
      • Dark Prismatic
    • Trek Fetch+ 4 child seat mount cross bar in black, bicycle component for secure bike seat attachment.Trek Fetch+ 4 child seat mount cross bar in black, bike seat accessory for secure attachment, shown on a bicycle.

        Trek Fetch+ 4 Child Seat Mount Cross Bar Black – Secure Bike Seat Accessory

        The Trek Fetch+ 4 Child Seat Cross Bar in Black is a vital accessory for anyone using a child seat on compatible Trek bicycles. Designed with precision, this crossbar ensures a secure and stable connection between the child seat and the bike frame, enhancing...
        £49.99
        £49.99
      • Trek Fetch+ 4 black cargo box floorplate, durable replacement component showing textured surface and mounting edges.Trek Fetch+ 4 black cargo box floorplate, durable replacement component for bike storage solutions.

          Trek Fetch+ 4 Black Cargo Box Floorplate – Durable Replacement Floor Plate

          The Trek Fetch+ 4 Floorplate Black Cargo Box Floorplate is a durable and reliable component designed to optimize your cargo box system. Crafted by Trek, a brand synonymous with quality cycling gear, this floorplate provides a sturdy and secure foundation for your cargo needs....
          £119.99
          £119.99
        • Trek 2023 Fetch+ 4 lower steerer column cover in black, compatible with transmission cargo box components.Trek 2023 Fetch+ 4 lower steerer column cover in black, component accessory for cargo bike transmission system.

            Trek 2023 Fetch+ 4 Lower Steerer Column Cover Black Transmission Cargo Box Accessory

            The Trek 2023 Fetch+ 4 Cargo Box Lower Steerer Column Cover in Black Transmission is engineered to provide superior protection and durability for your bike’s steering system. Designed specifically for the Trek 2023 Fetch+ 4 model, this component ensures a perfect fit while enhancing...
            £3.99
            £3.99
          • Trek 2023 Fetch+ 4 Cargo Box Chainguard with Bracket in black, bike component designed to protect chain and cargo area.Trek Fetch+ 4 cargo box chainguard with bracket in black, bike component designed to protect chain area on a bicycle.

              Trek 2023 Fetch+ 4 Cargo Box Chainguard with Bracket – Black, One Size, Bike Accessory

              The Trek 2023 Fetch+ 4 Cargo Box Chainguard with Bracket in Trek Black is a meticulously designed component that safeguards your bicycle’s chain and frame from dirt, debris, and wear. Built to last, this chainguard delivers durable protection, ensuring your bike remains in optimal...
              £49.99
              £49.99
            • Black Trek 2023 Fetch+ 4 cargo bike motor cover set, protective covers for bike components, shown on a cargo bike.Black Trek Fetch+ 4 Cargo Bike motor cover set, protective components for the Trek 2023 Fetch+ 4 cargo bike.

                Trek 2023 Fetch+ 4 Cargo Bike Motor Cover Set Black – Protective Motor Cover

                The Trek 2023 Fetch+ 4 Cargo Box Motor Cover Set in Black is a specially designed component that offers robust protection for your cargo bike’s motor. Crafted by Trek, a brand renowned for quality and innovation, this cover set ensures your motor stays shielded...
                £9.99
                £9.99
              • Trek M5x6mm black hex bolt with 2.5mm thread locker, secure bike fastener, component for bicycle maintenance.Black Trek M5x6mm hex bolt with 2.5mm thread locker for bike components, shown in close-up detail.

                  Trek M5x6mm Hex Bolt with 2.5mm Thread Locker Black – Secure Bike Fastener

                  The Trek Bolt M5x6 Hex 2.5 Thread Locker Black M5 x 6mm is engineered to provide cyclists with a secure and reliable fastening solution. Crafted by Trek, a leader in cycling components, this bolt is tailored to meet the highest standards of performance and...
                  £5.99
                  £5.99
                • Trek Silver Cargo Box Belt Drive Tensioner Assembly without pulley, bicycle component for belt tensioning system.Trek Cargo Box Belt Drive Tensioner Assembly in silver, component with pulley for belt tension adjustment in cargo bike drivetrain

                    Trek Cargo Box Belt Drive Tensioner Assembly Without Pulley Silver - Belt Tensioner

                    The Trek Cargo Box Belt Drive Tensioner without Pulley in silver is a precision-engineered component designed to optimize the performance of your belt drive system. Crafted by Trek, a leader in cycling innovation, this tensioner assembly ensures consistent belt tension, delivering smooth and efficient...
                    £19.99
                    £19.99
                  • Black Trek cargo box 1 1/8-inch headset spacer, 10mm x 28.6mm, designed for bike components and headset installation.

                      Trek-Diamant Cargo Box 1 1/8˝ Headset Spacer Black 10mm x 28.6mm for Bikes

                      The Trek-Diamant Cargo Box 1 1/8˝ Headset Spacer in sleek black is a vital component designed to optimize your bike’s performance and fit. With dimensions of 10mm thickness and 28.6mm diameter, it provides precise alignment and stability for the front fork assembly. Manufactured using...
                      £4.99
                      £4.99
                    • Trek Fetch+ 4 black and silver battery cover, e-bike component, showing protective casing for battery on Trek electric bike.Trek Fetch+ 4 battery cover in black and silver, a protective component for e-bike batteries, shown in close-up.

                        Trek Fetch+ 4 Battery Cover Black/Silver – Protective E-Bike Accessory

                        The Trek Fetch+ 4 Battery Cover in Black/Silver is expertly designed to protect and extend the life of your Trek electric bike's battery. Made with durable materials, this cover shields your battery from dust, moisture, and impacts, ensuring reliable performance no matter the conditions....
                        £24.99
                        £24.99
                      • Trek Fetch+ 4 battery rail mount extension in black for e-bike battery upgrade, showcasing the component's sleek design.Black Trek Fetch+ 4 battery rail mount extension for e-bike battery upgrade, shown mounted on Trek e-bike components.

                          Trek Fetch+ 4 Battery Rail Mount Extension Black – E-Bike Battery Upgrade Accessory

                          The Trek Fetch+ 4 Battery Rail Mount Extension in black is an expertly engineered component that elevates your Trek electric bike’s potential. Designed to seamlessly extend your battery capacity, it allows you to embark on longer rides with confidence and enhanced power. Its sturdy...
                          £11.99
                          £11.99
                        • Black Trek cargo box steerer tube cover and headtube protector for bikes, designed to fit securely and protect the steering components.Black Trek cargo box steerer tube cover and headtube protector for bikes, designed to safeguard components during rides.

                            Trek Cargo Box Steerer Tube Cover Black Headtube Protector for Bikes

                            The Trek Cargo Box Steerer Tube Cover in Black is a meticulously crafted component designed to protect and enhance your bike’s headtube. Made by Trek, a leader in cycling innovation, this cover fits perfectly to shield the steerer tube from dirt, moisture, and potential...
                            £10.99
                            £10.99
                          • Trek Fetch+ 4 front cover black cargo box accessory for cargo bike protection, showing the durable cover in detailed view.Trek Fetch+ 4 front cover cargo box accessory in black for cargo bike protection, shown on a cargo bike.

                              Trek Fetch+ 4 Front Cover Black Cargo Box Accessory for Cargo Bike Protection

                              The Trek Fetch+ 4 Front Cover Black Cargo Box is a premium accessory designed to elevate the protection and functionality of your Trek cargo bike. Crafted with durable, high-quality materials, this front cover shields your cargo area from harsh weather conditions and external impacts,...
                              £99.99
                              £99.99
                            • Trek 2023 Fetch+ 4 Black Cargo Box Floor Mat providing durable protection for bike cargo areas.Trek 2023 Fetch+ 4 Black Cargo Box Floor Mat showing durable, fitted cargo protection for vehicle storage.

                                Trek 2023 Fetch+ 4 Black Cargo Box Floor Mat – Durable Cargo Protection

                                The Trek 2023 Fetch+ 4 Cargo Box Floor Mat in Black is designed to provide superior protection for your cargo box interior. Made with durable materials, this floor mat safeguards against dirt, moisture, and everyday wear, ensuring your cargo space remains clean and well-maintained....
                                £34.99
                                £34.99
                              • Trek Speed Concept M6 x 35mm wedge bolt seatpost replacement in black, featuring a sleek design and secure mounting mechanism.Trek 2022 Speed Concept M6 35mm wedge bolt seatpost replacement in black, showing the lightweight bicycle component.

                                  Trek 2022 Speed Concept M6 x 35mm Wedge Bolt Seatpost Replacement Black

                                  Secure your Trek Speed Concept seatpost with this reliable M6 x 35mm wedge bolt. Crafted for durability and precision, it ensures a stable fit for your bike's performance. What It’s Good For Provides a secure connection for seatposts Compatible with Trek Speed Concept frames...
                                  £2.99
                                  £2.99
                                • Trek Diamant Gloss Blue/Green Juniper touch-up paint for bike frame repair, component paint for Trek bicycle maintenance.Trek Diamant gloss blue-green Juniper touch-up paint for bike frame repair, showing a small paint container with color swatch.

                                    Trek-Diamant Gloss Blue/Green Juniper Touch-Up Paint for Bike Frame Repair

                                    Restore your bike’s frame with Trek-Diamant Touch-Up Paint in Gloss Blue/Green Juniper. This 30ml bottle offers precise application to cover scratches and chips, preserving your bike’s sleek look. Perfect for maintaining the vibrant finish of your Trek frame, it ensures long-lasting protection against wear...
                                    £14.99
                                    £14.99
                                  • Trek Fetch+ 4 rear steer cable mount in black for bike steering components, durable and designed for precise control.Trek Fetch+ 4 rear steer cable mount in black, a durable bike steering component with cable attachment points.

                                      Trek Fetch+ 4 Rear Steer Cable Mount Black – Durable Bike Steering Component

                                      Upgrade your bike’s steering system with the Trek Fetch+ 4 Rear Steer Cable Mount in sleek black. Crafted by Trek, a leader in cycling innovation, this component ensures precise cable routing for smooth and responsive handling. Its solid construction guarantees long-lasting durability, making it...
                                      £54.99
                                      £54.99
                                    • Trek Fetch+ 4 front steer cable mount in black, a bike component for front steering, designed for Trek bicycles.Trek Fetch+ 4 front steer cable mount in black, a bike component for front steering system, shown in close-up.

                                        Trek Fetch+ 4 Front Steer Cable Mount Black – Front Steering Bike Component

                                        The Trek Fetch+ 4 Front Steer Cable Mount in black is a premium component designed to elevate your bicycle's steering system. Crafted by Trek, a leader in cycling innovation, this front steer cable mount ensures precise and smooth control by providing secure cable routing...
                                        £54.99
                                        £54.99
                                      • Black Trek Checkpoint third bottle cage adapter with bolts, designed for bike components, installed on a bicycle in a natural riding scene.Trek Checkpoint third bottle cage adapter with bolts in black, designed for bike components, shown installed on a bicycle.

                                          Trek Checkpoint Third Bottle Cage Adapter with Bolts Black One Size

                                          Enhance your Trek Checkpoint with the Third Bottle Cage Adapter in sleek black. This durable accessory allows you to securely mount an additional bottle cage, optimizing your hydration options on the go. Designed specifically for Trek frames, it includes all necessary bolts for easy...
                                          £9.99
                                          £9.99
                                        • Trek Powerfly 29 2022 bike charge port cover frame part with rail protection, showing component for electric mountain bike.Trek Powerfly 29 2022 e-bike charge port cover frame with rail protection component, black plastic part for bike maintenance.

                                            Trek Powerfly 29 2022 Charge Port Cover Frame Parts Rail Protection - Trek Black

                                            Protect your Trek Powerfly 29 2022 charge port with this durable cover. Designed to fit perfectly, it shields against dust and moisture. Made with quality materials, it ensures long-lasting protection and easy access when charging. What It’s Good For Keeping the charge port clean...
                                            £59.99
                                            £59.99
                                            • Trek Black
                                            • Crystal White
                                            • Crimson, Lithium Grey
                                            • Mercury
                                          • Trek Checkpoint SLR IsoSpeed grommet black seat tube replacement component for bike frame.Trek Checkpoint SLR IsoSpeed grommet black seat tube replacement component for bike frame durability.

                                              Trek Checkpoint SLR IsoSpeed Grommet Black Seat Tube Replacement Part

                                              Upgrade your bike with the Trek Checkpoint SLR IsoSpeed Grommet, designed to enhance frame durability and comfort. Its sleek black finish adds a refined touch to your ride. This component seamlessly integrates with your Trek Checkpoint SLR, ensuring optimal performance and longevity. Built for...
                                              £8.99
                                              £8.99
                                            • Trek Checkpoint SL & SLR black downtube armor, frame protection component for bike durability and frame safeguarding.Trek Checkpoint SL & SLR downtube armor in black, bolt-on frame protection for mountain bikes, shown on a Trek bike frame.

                                                Trek Checkpoint SL & SLR Downtube Armor Black Bolt-On Frame Protection

                                                Protect your Trek Checkpoint SL & SLR downtube with this durable black armor. Designed for a secure bolt-on fit, it guards against impacts and debris during your rides. This sleek accessory preserves your bike’s frame integrity while maintaining its stylish look. What It’s Good...
                                                £9.99
                                                £9.99
                                              • 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...
                                                  £139.99
                                                  £139.99
                                                  • Black Olive, Quicksilver
                                                  • Crimson, Chrome
                                                  • Dark Aquatic, Volt
                                                  • Trek Black, Miami Green
                                                • Trek Bontrager Aeolus RSL CeramicSpeed coated hub kit for road cycling wheels, black component with intricate hub details.Black Bontrager Aeolus RSL CeramicSpeed Coated Hub Kit for Trek road cycling wheels, showcasing sleek component design.

                                                    Bontrager Aeolus RSL CeramicSpeed Coated Hub Kit Black for Road Cycling Wheels

                                                    Upgrade your bike’s performance with the Bontrager Aeolus RSL CeramicSpeed Coated Hub Kit. Designed for durability and smooth rotation, this kit enhances your ride efficiency. Its premium CeramicSpeed coating reduces friction, allowing for faster acceleration and improved speed control. The sleek black design perfectly...
                                                    £749.99
                                                    £749.99
                                                  • Black Bontrager Aeolus RSL CeramicSpeed hub kit for cycling wheels, component set by Trek, with detailed metal and hub design.Black Bontrager Aeolus RSL CeramicSpeed Hub Kit for Trek cycling wheels, showcasing high-performance wheel components.

                                                      Bontrager Aeolus RSL CeramicSpeed Standard Hub Kit for Cycling Wheels Black

                                                      Enhance your ride with the Bontrager Aeolus RSL CeramicSpeed Hub Kit. Designed for precision and durability, it ensures smoother performance. What It’s Good For Reducing friction for faster wheel rotation Long-lasting performance with ceramic bearings Compatible with Bontrager Aeolus RSL wheels Improves overall cycling...
                                                      £479.99
                                                      £479.99
                                                    • Black Trek Checkpoint SL/R head tube cable guide with integrated frame routing cap grommet for bike components.Trek Checkpoint SL/R black integrated frame routing cap grommet for head tube cable guide, component for bicycle frame.

                                                        Trek Integrated Frame Routing Cap Grommet Black Head Tube Cable Guide for Checkpoint SL/R

                                                        Enhance your bike’s performance with the Trek Integrated Frame Routing Cap Grommet. Designed for seamless cable management, it ensures smooth cable routing through the head tube for a clean and efficient setup. Crafted to fit perfectly with Trek frames, this black cable guide offers...
                                                        £10.99
                                                        £10.99
                                                      • Trek Checkpoint SL IsoSpeed black seat tube grommet for bike frame component, designed for Trek cycling frames.Trek Checkpoint SL IsoSpeed black seat tube grommet for bike frame component, close-up view of the component on a bicycle.

                                                          Trek Checkpoint SL IsoSpeed Black Seat Tube Grommet – Bike Frame Component

                                                          The Trek Checkpoint SL IsoSpeed Grommet in Black is designed for seamless frame integration, enhancing durability and performance. Crafted to fit perfectly on the seat tube, this component offers reliable support and a sleek finish for your bike. Its robust construction ensures long-lasting use,...
                                                          £3.99
                                                          £3.99
                                                        • Trek Checkpoint SL & SLR Gen 2 black chainstay armor protecting bike frame from scratches and debris on a Trek bicycle.Trek Checkpoint SL & SLR Gen 2 black chainstay armor providing durable frame protection on a bicycle component.

                                                            Trek Checkpoint SL & SLR Gen 2 Chainstay Armor Black – Durable Frame Protection

                                                            Protect your Trek Checkpoint SL & SLR frame with this durable black chainstay armor. Designed to prevent damage from chain slap and debris, it ensures your bike stays in top condition. Easy to install and built to last, this armor adds reliable protection without...
                                                            £9.99
                                                            £9.99
                                                          • Silver alloy Trek E3 headset split ring for Trek E3 bike frames, component part for bike assembly and maintenance.Silver alloy Trek E3 Headset Split Ring for Trek E3 bike frames, component part for bike assembly and maintenance.

                                                              Trek E3 Headset Split Ring Silver Alloy for Trek E3 Bike Frames

                                                              The Trek E3 Headset Split Ring in silver offers precise fit and durability. Crafted from lightweight alloy, it ensures reliable performance for your bike's headset system. Designed for easy installation and compatibility with Trek E3 frames, this split ring enhances frame alignment and headset...
                                                              £19.99
                                                              £19.99
                                                            • Black and white Trek Service Electric Battery Cover for 2020-2022 models, protective accessory for electric bike batteries.Black and white Trek Service Electric Battery Cover for 2020-2022 models, protective accessory for bicycle batteries.

                                                                Trek Service Electric Battery Cover 2020-2022 Black/White Protection Accessory

                                                                Protect your Trek electric battery with this durable service cover, designed for 2020-2022 models in sleek black and white. It ensures your battery stays safe from dirt and damage while maintaining a clean, professional look. Easy to install and made to fit perfectly, this...
                                                                £139.99
                                                                £139.99
                                                              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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