MRP

Shop MRP chain guides and components at Swinnerton Cycles. MRP (Mountain Racing Products) is an American brand producing high-quality chain retention devices, chain guides, and drivetrain accessories for mountain biking. Known for their reliable, well-engineered chain guides that keep your chain on the ring in the roughest conditions, MRP products...

Shop MRP chain guides and components at Swinnerton Cycles. MRP (Mountain Racing Products) is an American brand producing high-quality chain retention devices, chain guides, and drivetrain accessories for mountain biking. Known for their reliable, well-engineered chain guides that keep your chain on the ring in the roughest conditions, MRP products are a popular choice among trail, enduro, and downhill riders who need dependable chain retention.

From their 1x chain guides and e-MTB upper chain devices to hub adaptors and service parts, MRP covers the chain retention and drivetrain needs of modern mountain bikers.

  • 1x chain guides for trail, enduro, and downhill riding
  • E-MTB upper chain devices for 34–38T chainrings
  • Lower guide pulleys and chain device spares
  • Hub adaptors for boost compatibility
  • Compatible with ISCG-05 and direct mount standards
  • American engineering trusted by trail and enduro riders

MRP Best Sellers

Browse our full range of bike components and cycling accessories at Swinnerton Cycles.

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  • MRP upper chain device for E-MTB with 34-38T chainrings, chain retention tool, and components for secure chain management.MRP upper chain device for E-MTB with 34-38T chainrings, a chain retention tool shown in a close-up image.

    MRP Upper Chain Device for E-MTB 34-38T Chainrings – Chain Retention Tool - Black

    Enhance your e-MTB's drivetrain with the MRP Upper Chain Device. Designed for 34-38T chainrings, it ensures smooth chain retention and reduces chain drops. Built with precision, this component offers reliable performance and durability for demanding trails and varied terrain. What It’s Good For Maintaining...
    £89.99
    £89.99
    • Black
  • MRP Standard Roller Kit Chain Device with PU rollers and adjustable design for bike components.MRP standard roller kit chain device with PU rollers and adjustable design for bike components, shown with metal frame and rollers.

      MRP Standard Roller Kit Chain Device with PU Rollers & Adjustable Design

      Upgrade your drivetrain with the MRP Standard Roller Kit Chain Device, designed for superior performance and durability. This kit includes replacement PU rollers complete with hardware and bearings, ensuring smooth operation and long-lasting reliability. Its asymmetrical design allows precise adjustment of chain entry and...
      £21.87
      £21.99
      £21.87
      Save £0.12
    • MRP Minig3/G4 lower skid plate chain device for bike transmission protection, shown in black with mounting hardware.MRP Minig3/G4 lower skid plate chain device for bike transmission protection, showing the durable metal component for off-road cycling.

        MRP Minig3/G4 Lower Skid Plate Chain Device for Bike Transmission Protection

        The MRP Minig3/G4 Lower Skid Plate Chain Device is expertly crafted to boost the reliability and efficiency of your bike's transmission. Built by MRP, a leader in premium bike components, this device ensures smooth chain management and robust protection under challenging riding conditions. Its...
        £49.71
        £49.99
        £49.71
        Save £0.28
      • MRP SXg Backplate Chain Device showing the enhanced chain retention and durable components for improved drivetrain performance.

        MRP SXg Backplate Chain Device – Enhanced Chain Retention & Drivetrain Performance - Black

        The MRP Chain Device - SXg Backplate is an essential upgrade for cyclists aiming to optimize their bike’s transmission system. Crafted with precision by MRP, a leader in cycling components, this backplate ensures superior chain retention and reliable performance. Its sturdy construction withstands rigorous...
        £89.47
        £89.99
        £89.47
        Save £0.52
        • Black
      • MRP Better Boost adaptor kit for Stans Neo OS 15x100mm hub, bike component spare part for wheel compatibility.

          MRP Better Boost Adaptor Kit for Stans Neo OS 15x100mm Hub Spares

          Upgrade your Stans Neo OS 15x100mm front hub effortlessly with the MRP Better Boost Adaptor Kit. Designed to convert your existing hub to fit a 15x110mm Boost fork, this kit lets you keep your current wheel while enjoying the enhanced performance and compatibility of...
          £54.99
          £54.99
        • MRP Better Boost Adapter Kit for DT Swiss 350 Centerlock hubs, converts 15x100mm to 15x110mm boost spacing, bike component spare

            MRP Better Boost Adapter Kit for DT Swiss 350 Centerlock Hub Spares 15x100 to 15x110mm

            Upgrade your front wheel effortlessly with the Mrp Better Boost Adaptor Kit designed specifically for DT Swiss 350 Centerlock 15x100mm hubs. This kit converts your existing hub to the Boost 15x110mm standard, enabling compatibility with modern Boost forks without the need to replace your...
            £54.99
            £54.99
          • MRP rear axle hub spares for thru-axle frames with 6mm hex bolt-on design, bicycle component.MRP rear axle hub spares for thru-axle bikes with 6mm hex bolt-on design, durable bike components for secure wheel attachment.

            MRP Rear Axle Hub Spares for Thru-Axle Frames with 6mm Hex Head Bolt-On Design - Black

            Discover the MRP Rear Axle Hub Spares designed to enhance your bike’s performance with superior rear end clearance. Ideal for riders tackling tight, technical trails, these axles provide up to an inch (~25mm) more space, improving maneuverability and control. Crafted from lightweight alloy, they...
            from £42.99
            from £42.99
            • Black
          • MRP G3/G4 pulley hardware chain device for smooth bike transmission and chain tension adjustment.MRP G3/G4 pulley hardware chain device for bike transmission and chain tension, showing the metal components and installation parts.

              MRP G3/G4 Pulley Hardware Chain Device for Smooth Bike Transmission & Chain Tension

              The MRP G3/G4 Pulley Hardware Chain Device is expertly crafted to elevate your bike’s transmission system with unmatched precision and durability. Designed by MRP, a leader in high-performance cycling components, this chain device excels in managing chain alignment and tension, ensuring a smooth and...
              £27.82
              £27.99
              £27.82
              Save £0.17
            • MRP TR upper guide chain device for smooth, quiet 1x drivetrain performance, shown in close-up with black and silver components.MRP TR upper guide chain device for smooth, quiet 1x drivetrain performance, shown in close-up with metal components.

                MRP TR Upper Guide Chain Device for Smooth, Quiet 1x Drivetrain Performance

                The MRP TR Upper Guide Chain Device offers quiet, smooth chain guidance thanks to its innovative co-molded design with a softer durometer interior. Engineered for reliable performance. Compatible with G3, AMg V1, AMg V2, and all 1x guides featuring the full G3 upper guide,...
                £32.80
                £32.99
                £32.80
                Save £0.19
              • MRP 2X Lower Guide Kit for bike chain device, includes components for improved drivetrain performance.MRP 2X Lower Guide Kit for bike chain device, components used for optimal drivetrain performance on mountain bikes.

                  MRP 2X Lower Guide Kit Chain Device for Optimal Bike Drivetrain Performance

                  The MRP 2X Lower Guide Kit Chain Device is engineered to optimize your bike’s drivetrain performance with precision and reliability. Crafted by MRP, a leader in durable and innovative bicycle components, this lower guide kit ensures your chain stays perfectly aligned and tensioned, minimizing...
                  £32.80
                  £32.99
                  £32.80
                  Save £0.19
                • MRP Riser Crown RaceMRP Riser Crown Race

                  MRP Riser Crown Race for 1.5" Headset with 45° Bearings MTB Adjustment - Black

                  The MRP Riser Crown Race is a versatile component designed to enhance your mountain bike's performance and fit. Offering two height options, 5mm (LowRise) and 10mm (HighRise), it provides the perfect solution to increase downtube clearance for fork crowns or accommodate upgrades like the...
                  from £27.82
                  £27.99
                  from £27.82
                  Save £0.17
                  • Black
                • MRP Cage Guard - SRAM T-Type

                    MRP Cage Guard for SRAM T-Type Rear Derailleur Pulley Protection - Black

                    The MRP Cage Guard - SRAM T-Type is an essential component designed to safeguard your SRAM T-Type derailleur's pulley cage from damaging impacts caused by rocks and trail debris. Crafted with precision in MRP’s Colorado factory, this guard is made from durable, low-friction Delrin...
                    £32.80
                    £32.99
                    £32.80
                    Save £0.19
                    • Black
                  • MRP Cage Guard - Shimano

                    MRP Cage Guard for Shimano Derailleurs – Durable MTB Pulley Cage Protector - Black

                    The MRP Cage Guard for Shimano derailleurs provides essential protection against rocks and trail debris, reducing the risk of damage to your derailleur pulley cage. Crafted from durable, low-friction Delrin thermoplastic, this guard ensures smooth shifting by minimizing impact wear and tear. Manufactured with...
                    £32.80
                    £32.99
                    £32.80
                    Save £0.19
                    • Black
                  • MRP Decapitator MRP Decapitator MTB Bottle Opener for Unused Front Derailleur Mounts

                      MRP Decapitator MTB Bottle Opener for Unused Front Derailleur Mounts - Black

                      The MRP Decapitator transforms your unused front derailleur mount into a sleek bottle opener, combining practicality with precision. Crafted from durable alloy and paired with a matching fastener, this compact component weighs just 12g, adding minimal weight while maximizing utility. Proudly made in Grand...
                      £32.80
                      £32.99
                      £32.80
                      Save £0.19
                      • Black
                    • MRP Hush Guard Chainstay Protector

                      MRP Hush Guard Chainstay Protector with Adhesive Backing for MTB Noise Reduction - Black

                      Experience a quieter, more focused ride with the MRP Hush Guard Chainstay Protector. Crafted from high-damping TPE, this protector effectively eliminates chainslap noise by cushioning impacts between your chain and chainstay. Its precision moulding ensures a perfect fit, while the adhesive backing makes installation...
                      £34.99
                      £34.99
                      • Black
                    • MRP XCG SparesMRP XCG Spares

                      MRP XCG Spares for MTB Transmission Chain Device Maintenance & Upgrades - Black

                      Explore the reliable MRP XCG Spares designed to keep your MTB transmission smooth. These quality components ensure optimal chain device performance, enhancing your ride. Perfect for maintenance or upgrades, MRP spares fit seamlessly with your existing setup, offering durability and precise function. What It’s...
                      £29.82
                      £30.00
                      £29.82
                      Save £0.18
                      • Black
                    • MRP XCG SparesMRP XCG Spares for MTB Transmission | Chain Control Replacement Parts

                      MRP XCG Spares for MTB Transmission | Chain Control Replacement Parts - Black

                      Upgrade your MTB transmission with MRP XCG Spares, designed for optimal chain control and durability. These high-quality components ensure smooth shifting and reliable performance on every ride. Perfect for maintaining your MRP XCG guide and extending its lifespan. What It’s Good For Maintaining smooth...
                      £29.82
                      £30.00
                      £29.82
                      Save £0.18
                      • Black
                    • MRP XCG SparesMRP XCG MTB Chain Device Spares for Reliable Transmission Performance

                      MRP XCG MTB Chain Device Spares for Reliable Transmission Performance - Gold

                      Optimize your MTB setup with MRP XCG spares, designed for seamless transmission performance. These high-quality components ensure reliable chain device operation and durability on every ride. Perfect for maintaining or upgrading your MRP XCG guide system. What It’s Good For Enhancing MTB chain device...
                      £29.82
                      £30.00
                      £29.82
                      Save £0.18
                      • Gold
                    • MRP XCG SparesMRP XCG Spares for MTB Transmission – Compatible Replacement Parts for Chain Guide

                      MRP XCG Spares for MTB Transmission – Compatible Replacement Parts for Chain Guide - Gold

                      Upgrade your MTB transmission with MRP XCG Spares. These high-quality components ensure smooth chain retention and reliable performance on every ride. Designed specifically for the MRP XCG guide, they offer durability and precise fit. Perfect for maintaining and enhancing your mountain bike’s drivetrain, these...
                      £29.82
                      £30.00
                      £29.82
                      Save £0.18
                      • Gold
                    • MRP XCG Triple Chain DeviceMRP XCG Triple Chain Device

                      MRP XCG Triple Chain Device for XC Bikes with Bottom-Bracket & ISCG Mount - Black

                      The MRP XCG Triple Chain Device is a revolutionary component designed specifically for cross-country mountain bikers seeking reliable protection for their drivetrain. This innovative chain device features a patented design that combines a durable polycarbonate skid plate with a robust 4mm thick alloy back...
                      £74.99
                      £74.99
                      • Black
                    • MRP XCG Triple Chain DeviceMRP XCG Triple Chain Device for XC Mountain Bikes – Triple Crank Protection up to 44T

                      MRP XCG Triple Chain Device for XC Mountain Bikes – Triple Crank Protection up to 44T - Black

                      The MRP XCG Triple Chain Device is a revolutionary component designed specifically for cross-country mountain bikes, providing superior protection for your triple crank outer rings up to 44T. Crafted with a replaceable polycarbonate skid mounted on a sturdy 4mm thick alloy back plate, this...
                      £74.99
                      £74.99
                      • Black
                    • MRP XCG Triple Chain DeviceMRP XCG Triple Chain Device

                      MRP XCG Triple Chain Device for XC Bikes with Triple Crank Protection up to 44T - Black

                      The MRP XCG Triple Chain Device is a revolutionary component designed specifically for cross-country mountain bikers who demand both performance and protection. This innovative chain device features a patented design that combines a durable polycarbonate skid with a robust 4mm thick alloy back plate,...
                      £74.99
                      £74.99
                      • Black
                    • MRP XCg SLR Carbon Chain DeviceMRP XCg SLR Carbon Chain Device

                      MRP XCg SLR Carbon Chain Device for MTB ISCG-05 & BB-Mount Protection - Black

                      The MRP XCg SLR Carbon Chain Device offers robust protection for your mountain bike’s chainrings, ensuring durability and smooth performance on rugged trails. Designed to fit neatly behind your crankset, this component safeguards your chainrings against impacts with rocks and debris, extending their lifespan....
                      £114.99
                      £114.99
                      • Black
                    • MRP XCg SL BashguardMRP XCg SL Bashguard

                      MRP XCg SL MTB Bashguard with ISCG-05 & BB-Mount for Chainring Protection - Black

                      The MRP XCg SL Bashguard is a reliable component designed to protect your chainrings from damage during intense MTB rides. It features an integrated skid that smoothly glides over rocks and obstacles, preserving your drivetrain’s integrity. Available in ISCG-05 and BB-mount options, it fits...
                      £89.99
                      £89.99
                      • Black
                    • MRP TR2 Upper Guide

                      MRP TR2 Upper Guide for MTB Transmission Chain Retention and Stability - Black

                      Upgrade your MTB transmission with the MRP TR2 Upper Guide. Designed for smooth chain retention and reliable performance, this component enhances your ride quality. Easy to install and built to last, it’s perfect for maintaining your drivetrain’s efficiency. What It’s Good For Improving chain...
                      £32.80
                      £32.99
                      £32.80
                      Save £0.19
                      • Black
                    • MRP SXg 2 Bolt Norco

                      MRP SXg 2 Bolt Chain Guide for Norco Bikes with High Idler System 32-38T - Black

                      Experience unparalleled drivetrain security with the MRP SXg 2 Bolt Norco, designed specifically for the Norco bike range featuring a high idler. This robust chain device guarantees zero dropped chains and mechanical failures, allowing you to focus entirely on your ride and performance. Its...
                      £114.99
                      £114.99
                      • Black
                    • MRP S4 BashguardsMRP S4 Bashguards

                      MRP S4 MTB Bashguards with Polycarbonate Bash Ring for Transmission Protection - White

                      The MRP S4 Bashguards combine innovative design with lightweight strength, protecting your MTB transmission with precision. Featuring a skeleton pattern on the front and honeycomb structure on the back, these bashguards reduce weight without compromising durability. Available with a polycarbonate bash ring in black...
                      £34.78
                      £34.99
                      £34.78
                      Save £0.21
                      • White
                    • MRP MXg SL Guide

                      MRP MXg SL Guide Chain Guide with S5 Roller for High-Pivot MTB Suspension Bikes - Black

                      The MRP MXg SL Guide is expertly engineered for high-pivot and suspension designs with significant chain growth, delivering unmatched performance for modern mountain bikes. Its advanced S5 roller, equipped with 14 mini-teeth, ensures a smooth, quiet ride by maintaining consistent spinning in diverse trail...
                      £189.99
                      £189.99
                      • Black
                    • MRP MXg Roller Assembly

                      MRP MXg Roller Assembly for MTB Transmission & Chain Management System - Black

                      Enhance your MTB transmission with the MRP MXg Roller Assembly, designed for smooth and reliable chain management. This component ensures optimal performance and durability under demanding trail conditions. Compatible with the MXg Guide, it delivers precise chain control, reducing noise and wear. Upgrade your...
                      £39.76
                      £39.99
                      £39.76
                      Save £0.23
                      • Black
                    • MRP Lopes guide spare partsMRP Lopes Guide Spare Parts Kit for MTB Chain Control and Transmission Maintenance

                      MRP Lopes Guide Spare Parts Kit for MTB Chain Control and Transmission Maintenance - Black

                      MRP Lopes guide spare parts ensure your MTB transmission runs smoothly with reliable fixing kits, rollers, and guides. Designed for durability and precision, these components maintain optimal chain control and performance. For Lopes upper guide parts, check out the G2 SL spares from MRP....
                      £64.62
                      £65.00
                      £64.62
                      Save £0.38
                      • Black
                    Recently Viewed Products

                    Protect your drivetrain on the trail with our MRP collection at Swinnerton Cycles. MRP produces premium chain guides, bash guards, and suspension components for mountain biking — trusted by enduro and downhill riders for their durability and performance in the most demanding conditions. Browse the full MRP range and explore our wider Chain Devices and Bash Guards collections.

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