MTB Rear Mech

MTB Rear Mechs at Swinnerton CyclesHandle the widest cassette ranges with confidence using our MTB rear mechs collection at Swinnerton Cycles. Modern MTB rear derailleurs are engineered to handle 10-52T cassette ranges with clutch mechanisms that prevent chain slap on rough terrain. From entry-level mechanical systems to top-tier wireless electronic...

MTB Rear Mechs at Swinnerton Cycles

Handle the widest cassette ranges with confidence using our MTB rear mechs collection at Swinnerton Cycles. Modern MTB rear derailleurs are engineered to handle 10-52T cassette ranges with clutch mechanisms that prevent chain slap on rough terrain. From entry-level mechanical systems to top-tier wireless electronic derailleurs, our MTB rear mech range covers every riding style and budget. We stock MTB rear mechs from Shimano and SRAM, covering Deore XT, SLX, Deore, GX Eagle, SX Eagle, and more. Browse our full Rear Mech collection and explore MTB Groupsets, Cassettes, and Rear Mech Spares.

Popular MTB Rear Mechs

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  • Shimano Saint RD-M820 10-speed rear derailleur with Shadow+ design and direct mount for MTB bikes.Shimano Saint RD-M820 10-speed rear derailleur with Shadow+ design and MTB direct mount, showcasing durable metal construction.

      Shimano Saint RD-M820 10-Speed Rear Derailleur Shadow+ Design MTB Direct Mount

      The Shimano Saint RD-M820 is a high-performance 10-speed rear derailleur designed for serious mountain bikers seeking precision and durability. Featuring the innovative Shadow+ design, this derailleur offers a low-profile silhouette that significantly reduces the risk of damage from trail obstacles, ensuring your ride stays...
      £149.99
      £149.99
    • Shimano Deore XT RD-M8150 Di2 rear derailleur with long cage for 11-speed mountain bike, Shimano Deore XT components.Shimano Deore XT RD-M8150 Di2 rear derailleur with long cage for 11-speed drivetrain, Shimano Deore XT components, shadow+ technology.

        Shimano Deore XT RD-M8150 Di2 Rear Derailleur SGS Long Cage 11-Speed Shadow+

        The Shimano Deore XT RD-M8150 Di2 rear derailleur sets a new standard in mountain biking performance with its advanced digital integration. Designed for 11-speed drivetrains, this SGS long cage derailleur delivers seamless, precise shifting thanks to its electronic Di2 system, ensuring smooth gear changes...
        £325.38
        £329.99
        £325.38
        Save £4.61
      • Shimano Rd-M8130 Xt Link Glide 11-Speed Rear Derailleur Shadow+ Sgs For Single Rear MechShimano Deore XT RD-M8130 XT Link Glide 11-speed rear derailleur, Shadow+, SGS, for single | Swinnerton Cycles

          Shimano Deore XT RD-M8130 Link Glide 11-Speed Shadow+ SGS Rear Derailleur for Single Chainring

          The Shimano Deore XT RD-M8130 XT Link Glide rear derailleur is engineered for riders who demand precision and durability on every trail. Featuring Shadow+ technology, this 11-speed derailleur offers a super low profile design that ensures smooth, fast shifting with minimal chain bounce even...
          £108.40
          £109.99
          £108.40
          Save £1.59
        • Shimano Deore XT RD-M8120 12-speed MTB rear derailleur with Shadow+ SGS design, mounted on a bicycle drivetrain.Shimano Deore XT RD-M8120 12-speed MTB rear derailleur with Shadow+ SGS design, mounted on a mountain bike drivetrain.

            Shimano Deore XT RD-M8120 12-Speed MTB Rear Derailleur Shadow+ SGS Double

            The Shimano Deore XT RD-M8120 is a premium 12-speed rear derailleur designed specifically for MTB enthusiasts seeking top-tier performance and reliability. Featuring the innovative Shadow+ technology, this derailleur boasts a sleek, low-profile design that ensures smooth and precise shifting even in the most demanding...
            £108.40
            £109.99
            £108.40
            Save £1.59
          • Shimano Rd-M8050 Xt Di2 E-Tube Rear Derailluer Gs Medium Cage Shadow+ 11-Speed Rear MechShimano Rd-M8050 Xt Di2 E-Tube Rear Derailluer Gs Medium Cage Shadow+ 11-Speed Rear Mech

              Shimano Deore XT RD-M8050 Di2 E-Tube Rear Derailleur GS Medium Cage 11-Speed Shadow+

              The Shimano Deore XT RD-M8050 XT Di2 is a cutting-edge 11-speed rear derailleur designed for mountain biking enthusiasts who demand precision and reliability. Featuring Digital Integrated Intelligence (Di2), this rear mech offers programmed automatic shifting that ensures smooth, fast, and effortless gear changes at...
              £305.54
              £309.99
              £305.54
              Save £4.45
            • Shimano Rd-M5130 Deore Link Glide 10-Speed Rear Derailleur Shadow+ Gs For Single Rear Mech

                Shimano Deore RD-M5130 Link Glide 10-Speed Shadow+ GS Rear Derailleur for 1x MTB

                The Shimano Deore RD-M5130 Deore Link Glide 10-speed rear derailleur delivers exceptional shifting performance tailored for mountain biking enthusiasts. Its Shadow+ technology offers a sleek, low-profile design that minimizes chain bounce, ensuring smooth and stable gear changes even on the roughest trails. Engineered with...
                £47.08
                £49.99
                £47.08
                Save £2.91
              • Shimano Deore RD-M5100 11-speed MTB rear derailleur with Shadow+ technology and long cage, mounted on a mountain bike.Shimano Deore RD-M5100 11-speed MTB rear derailleur with Shadow+ technology and long cage for mountain biking.

                  Shimano Deore RD-M5100 11-Speed MTB Rear Derailleur Shadow+ SGS Long Cage

                  The Shimano Deore RD-M5100 rear derailleur delivers reliable 11-speed shifting designed for mountain biking enthusiasts seeking precision and durability. Featuring the innovative Shadow+ technology, its low profile and optimized slant angle ensure smooth and effortless gear changes even on the toughest trails. The chain...
                  £51.85
                  £54.99
                  £51.85
                  Save £3.14
                • Shimano Acera RD-M370 Altus 9-speed SGS rear derailleur for mountain bikes, black, showcasing derailleur with jockey wheels.Shimano Acera RD-M370 Altus 9-speed SGS rear derailleur for mountain bikes, black, showcasing the component's design and build.

                    Shimano Acera RD-M370 Altus 9-Speed SGS Rear Derailleur for MTB Bikes Black

                    The Shimano Acera RD-M370 Altus rear derailleur is engineered for reliable performance on 9-speed drivetrains, ideal for both mountain biking and everyday riding. Its wide link design enhances rigidity and durability, ensuring long-lasting service. Equipped with 11-tooth pulleys, it reduces chain noise and pulley...
                    £27.89
                    £34.99
                    £27.89
                    Save £7.10
                  • SRAM GX T-Type Eagle AXS 12-speed MTB rear derailleur with battery mount, black metal and plastic components, mounted on bikeSRAM GX T-Type Eagle AXS 12-speed MTB rear derailleur with battery mount, black metal and plastic components, mounted on bike frame.

                      SRAM GX T-Type Eagle AXS Rear Derailleur 12-Speed MTB (Battery Not Included)

                      The SRAM Rear Derailleur GX T-Type Eagle AXS 12 speed redefines the mountain biking experience by combining advanced technology with rugged durability. Designed specifically for MTB enthusiasts, this rear mech offers seamless shifting and unmatched reliability under the most demanding conditions. Its innovative hangerless...
                      £410.92
                      £430.00
                      £410.92
                      Save £19.08
                    • Sram Rear Derailleur X0 T-Type Eagle Axs 12 Speed (Battery Not Included) Rear Mech

                        SRAM X0 T-Type Eagle AXS Rear Derailleur 12 Speed MTB Wireless 2023 (Battery Not Included)

                        Experience the next level of mountain biking precision with the SRAM Rear Derailleur X0 T-Type Eagle AXS 12 speed. Designed for serious riders who demand unmatched durability and smooth performance, this derailleur integrates seamlessly with your bike’s drivetrain to deliver flawless gear changes every...
                        £558.91
                        £590.00
                        £558.91
                        Save £31.09
                      • Sram Rear Derailleur Xx T-Type Eagle Axs 12 Speed (Battery Not Included) Rear Mech

                          SRAM XX T-Type Eagle AXS Rear Derailleur 12 Speed MTB (Battery Not Included) 2023

                          The SRAM Rear Derailleur XX T-Type Eagle AXS 12 speed revolutionizes mountain biking drivetrain performance with its innovative design and robust build. Crafted to integrate seamlessly with the cassette through a groundbreaking Hangerless Interface, this derailleur mounts directly around the wheel axle, delivering unmatched...
                          £652.27
                          £695.00
                          £652.27
                          Save £42.73
                        • Sram Xx1 Eagle 12 Speed Max 52T Rear MechSRAM Rear Derailleur XX1 Eagle 12 speed Max 52T: LUNAR 12 SPEED | Swinnerton Cycles

                            SRAM XX1 Eagle Rear Derailleur 12-Speed Max 52T Lunar MTB Bike Component

                            The SRAM Rear Derailleur XX1 Eagle 12 speed Max 52T in Lunar offers unmatched precision and durability for serious mountain bikers. Engineered to elevate your riding experience, this rear mech is designed to handle the most demanding terrains with flawless shifting performance. Its innovative...
                            £303.00
                            £303.00
                          • Sram X01 Eagle 12 Speed Max 52T Rear MechSram X01 Eagle 12 Speed Max 52T Rear Mech

                              SRAM X01 Eagle 12-Speed Rear Derailleur Max 52T for MTB Drivetrains - Red

                              The Sram X01 Eagle 12 Speed Max 52T Rear Mech redefines precision and performance for mountain biking enthusiasts. Designed with an updated cage architecture, this rear derailleur ensures superior chain retention and smoother, more accurate shifts. Compatible with the latest 10-52t cassettes as well...
                              £238.41
                              £247.00
                              £238.41
                              Save £8.59
                              • Red
                              • Lunar
                            • Sram Rear Derailleur Xx1 Eagle Axs 12 Speed Rear MechSRAM Rear Derailleur XX1 Eagle AXS 12 speed (Battery Not Included): BLACK 12 SPEED | Swinnerton Cycles

                                SRAM XX1 Eagle AXS Rear Derailleur 12-Speed Electronic MTB, Battery Not Included

                                The SRAM Rear Derailleur XX1 Eagle AXS 12 speed redefines mountain bike transmission technology with its advanced electronic shifting system. Designed to be the intelligent core of the AXS ecosystem, it offers precision and reliability far beyond a traditional mechanical derailleur. Featuring a shorter...
                                £715.28
                                £742.00
                                £715.28
                                Save £26.72
                              • Sram Rear Derailleur Ex1 1X8 Speed Long Cage Black (Max 48T) Rear MechSRAM Rear Derailleur EX1 1x8 Speed Long Cage Black (Max 48t): BLACK 8SPD LONG | Swinnerton Cycles

                                  SRAM EX1 Rear Derailleur 1x8 Speed Long Cage MTB 48T Cassette Compatible Black

                                  Experience smooth, reliable shifting with the SRAM Rear Derailleur EX1 1x8 Speed Long Cage. Designed for MTB use, it supports up to 48T cassettes, enhancing your bike’s performance on varied terrains. Its long cage design improves chain management for consistent transmission efficiency, making every...
                                  £160.29
                                  £173.00
                                  £160.29
                                  Save £12.71
                                • SunRace RDM97 LDB 9-speed mountain bike rear derailleur with long cage, showcasing the black component with metal jockey wheels.SunRace RDM97 LDB 9-speed mountain bike rear derailleur with long cage, mounted on a bike frame, showcasing gear compatibility.

                                  Sunrace RDM97 LDB 9-Speed MTB Rear Derailleur Long Cage Rear Mech - Black

                                  The Sunrace RDM97 LDB Rear Mech offers reliable shifting performance with its durable aluminum and steel construction. Designed for 9-speed MTB setups, it ensures smooth and precise gear changes every ride. Available in black or silver, it suits various bike styles. Featuring a 2:1...
                                  £43.48
                                  £49.99
                                  £43.48
                                  Save £6.51
                                  • Black
                                • SunRace RDM900 MD 9-speed MTB rear derailleur with chain stabilizer, showcasing the durable bicycle component with mounting hardware.SunRace RDM900 MD 9-speed MTB rear derailleur with chain stabilizer, mounted on a bike drivetrain component.

                                  Sunrace RDM900 MD Rear Mech 9-Speed MTB Rear Derailleur with Chain Stabiliser - Black

                                  The Sunrace Rdm900 Md Rear Mech offers precise shifting for 9-speed MTB setups, supporting 1x drivetrains up to 51T. Its adjustable chain stabiliser ensures smooth, reliable performance on rough trails. Constructed with durable alloy bracket, outer link, and cage, this rear mech combines strength...
                                  £43.40
                                  £54.99
                                  £43.40
                                  Save £11.59
                                  • Black
                                • SunRace RDM57 LD long cage rear derailleur for 8-speed mountain bike drivetrains, showing the black metal component with jockey wheels.SunRace RDM57 LD long cage rear derailleur for 8-speed mountain bike drivetrains, showing the black component with mounting hardware.

                                  Sunrace RDM57 LD Long Cage Rear Mech for 8-Speed MTB Drivetrains - Black

                                  The Sunrace Rdm57 LD Rear Mech offers reliable shifting performance for 8-speed mountain bikes. Its long cage design ensures smooth chain tension, enhancing drivetrain efficiency during challenging rides. Crafted with an aluminum outer link and steel pulley cage, it balances durability and weight. Featuring...
                                  £15.56
                                  £22.99
                                  £15.56
                                  Save £7.43
                                  • Black
                                • MicroSHIFT Marvo 9-speed long cage rear derailleur for MTB and trekking bikes, showcasing durable components and gear mechanism.MicroSHIFT Marvo 9-speed long cage rear derailleur for MTB and trekking bikes, showing the black component with mounting hardware.

                                  Microshift Marvo 9-Speed Long Cage Rear Derailleur for MTB & Trekking Bikes

                                  Microshift Marvo 9 Speed Long Cage Rear Derailleur is engineered for mountain biking and trekking enthusiasts seeking reliable performance. Its robust full metal construction ensures exceptional durability, able to endure tough trails and long rides with ease. Featuring replaceable pulleys and hardware, maintenance is...
                                  £21.73
                                  £24.99
                                  £21.73
                                  Save £3.26
                                • MicroSHIFT M26 rear derailleur for 7/8-speed mountain bikes, showcasing the black lightweight component with mounting hardware.Microshift M26 7/8 speed MTB rear derailleur, lightweight cycling component for smooth gear shifting on mountain bikes.

                                  Microshift M26 Rear Derailleur 7/8 Speed MTB Rear Mech for Smooth Shifting - Black

                                  The Microshift M26 Rear Derailleur is designed to deliver smooth and reliable shifting for 7/8 speed MTB setups. Crafted with steel and composite materials, it offers durability and consistent performance on various terrains. Elevate your ride with precise gear changes that feel effortless. Its...
                                  £14.86
                                  £15.99
                                  £14.86
                                  Save £1.13
                                  • Black
                                • MicroSHIFT Advent 9-speed MTB rear derailleur for trail riding, showcasing the clutch mechanism and durable component design.MicroSHIFT Advent clutch rear derailleur for 9-speed mountain bikes, designed for trail riding and smooth gear shifting.

                                  Microshift Advent Clutch Rear Derailleur 9-Speed MTB Rear Mech for Trail Riding - Black

                                  The Microshift Advent Clutch Rear Derailleur is engineered for mountain bikers seeking reliable performance on challenging trails. Its innovative clutch system, built with a proprietary ratchet-and-pawl tension assembly, ensures superior chain retention and durability even over the roughest terrain. This derailleur offers a modular...
                                  from £58.00
                                  £69.99
                                  from £58.00
                                  Save £11.99
                                  • Black
                                • Microshift Acolyte Spiringlock Rear Derailleur 8 Speed Rear MechMicroshift Acolyte Spiringlock Rear Derailleur 8 Speed Rear Mech

                                  Microshift Acolyte Springlock 8-Speed MTB Rear Derailleur with Clutch Mechanism - Black

                                  The Microshift Acolyte Springlock Rear Derailleur is engineered to deliver precise and reliable shifting for 8-speed mountain bikes. At its core lies the innovative SpringLock system, which offers exceptional chain retention, ensuring your chain stays secure even on the roughest trails. This derailleur seamlessly...
                                  from £34.80
                                  £39.99
                                  from £34.80
                                  Save £5.19
                                  • Black
                                • SRAM GX Eagle 12-speed rear derailleur for mountain bikes, featuring a lunar finish and compatible with 52T cassettes.SRAM GX Eagle 12-speed mountain bike rear derailleur with lunar finish and max 52T capacity, designed for optimal shifting performance.

                                  SRAM GX Eagle Rear Derailleur 12 Speed Max 52T Lunar for Mountain Bikes

                                  The SRAM Rear Derailleur GX Eagle 12 speed Max 52T in Lunar 12 Speed is engineered for riders who demand flawless shifting performance across diverse terrains. Designed to handle the rigors of mountain biking, this rear mech offers precise and reliable gear changes even...
                                  £113.97
                                  £122.00
                                  £113.97
                                  Save £8.03
                                • Microshift M26 Rear Derailleur 7/8 Speed Rear MechMicroshift M26 Rear Derailleur 7/8 Speed Rear Mech

                                  Microshift M26 Rear Derailleur for 7/8 Speed MTB Bikes – Reliable Rear Mech - Black

                                  The Microshift M26 Rear Derailleur offers smooth and reliable shifting for 7 or 8-speed mountain bikes. Its steel and composite construction ensures durability and consistent performance on all your rides. Experience precise gear changes that enhance your cycling efficiency. Designed for versatile compatibility, this...
                                  £16.00
                                  £16.00
                                  • Black
                                • MicroSHIFT Advent X 10-speed MTB rear derailleur with clutch system, showing durable metal construction and gear adjustment mechanism.MicroSHIFT Advent X 10-speed MTB rear derailleur with clutch system, showing the durable component for mountain bike gear shifting.

                                  Microshift Advent X 10-Speed MTB Rear Derailleur with Clutch System

                                  The Microshift Advent X Rear Derailleur is engineered for riders seeking reliable, high-performance shifting on demanding MTB trails. Designed specifically for 10-speed drivetrains, it offers smooth, precise gear changes with a wide-range 11-48t cassette that adapts effortlessly to varied terrain. Its lightweight yet robust...
                                  £69.60
                                  £79.99
                                  £69.60
                                  Save £10.39
                                • SRAM GX Eagle AXS upgrade kit including rear derailleur, battery, pod controller, and tools for electronic mountain bike shifting.SRAM GX Eagle AXS upgrade kit with rear derailleur, battery, pod controller, and tools for wireless mountain bike shifting.

                                  SRAM GX Eagle AXS Upgrade Kit with Rear Derailleur, Battery, Pod Controller & Tools

                                  The SRAM GX Eagle AXS Upgrade Kit represents the pinnacle of wireless drivetrain innovation for mountain bikers seeking seamless performance. Designed as an entry point into the Eagle AXS ecosystem, this kit effortlessly integrates with any existing Eagle cassette and crank arm, allowing you...
                                  £511.21
                                  £529.00
                                  £511.21
                                  Save £17.79
                                • SRAM NX 1x11 speed rear derailleur for MTB with long cage and CAGE LOCK technology, black finish, showcasing the component details.SRAM NX 1x11 speed rear derailleur for mountain bikes, long cage with Cage Lock technology in black.

                                  SRAM NX Rear Derailleur 1x11 Speed Long Cage MTB with CAGE LOCK Technology Black

                                  The SRAM NX X-HORIZON® rear derailleur delivers precise and reliable shifting performance for 1x11 speed MTB setups. Featuring an innovative upper pulley offset and 12-tooth X-SYNC® pulley wheels, it minimizes unwanted chain movement and ghost shifting. This ensures faster, smoother gear changes and reduces...
                                  £72.00
                                  £79.00
                                  £72.00
                                  Save £7.00
                                • Sram Rear Derailleur X01 Eagle Axs 12 Speed Max 52T (Battery Not Included): Lunar 12 Speed Rear MechSram Rear Derailleur X01 Eagle Axs 12 Speed Max 52T (Battery Not Included): Lunar 12 Speed Rear Mech

                                  SRAM X01 Eagle AXS Rear Derailleur 12 Speed Max 52T Motor-Driven MTB Mech Battery Not Included - Lunar

                                  The Sram Rear Derailleur X01 Eagle AXS 12 Speed Max 52T is a cutting-edge component designed to elevate your mountain biking experience. Engineered specifically for motor-driven operation, this derailleur offers unparalleled precision and customization through the AXS App, allowing riders to tailor their transmission...
                                  £493.31
                                  £512.00
                                  £493.31
                                  Save £18.69
                                  • Lunar
                                  • Red
                                • BOX MTB Box One7 Speed Short Cage Rear Derailleur

                                  BOX MTB One7 7-Speed Short Cage Rear Derailleur for Downhill Mountain Bikes - Black

                                  Experience precise and reliable shifting with the BOX MTB Box One7 Speed Short Cage Rear Derailleur, engineered for downhill mountain biking. Inspired by the BOX 11-speed drivetrain, this derailleur features a distinctive white short cage and reinforced compact linkages designed to withstand the toughest...
                                  £184.99
                                  £184.99
                                  • Black
                                • BOX MTB Box Four 8-Speed Wide Derailleur

                                  BOX MTB Box Four 8-Speed Wide Rear Derailleur with Limited Slip Clutch - Black

                                  The BOX MTB Box Four 8-Speed Wide Derailleur revolutionizes your ride with Prime 9 Technology, delivering a lightweight and straightforward clutch-based design ideal for entry-level mountain bikes. Moving away from the traditional 3 by drivetrain, this 1 by 8-speed setup enhances durability and user-friendliness,...
                                  £69.99
                                  £69.99
                                  • Black
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                                Handle the widest cassette ranges with confidence using our MTB rear mechs at Swinnerton Cycles. Designed for trail, enduro, and cross-country riding, our MTB rear derailleur selection covers 1x and 2x drivetrains from Shimano and SRAM in a range of cage lengths. Browse our full Rear Mech collection and explore MTB Groupsets, Cassettes, and Rear Mech Spares.

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