Bike Rear Mech

Bike Rear Mechs at Swinnerton CyclesPrecise, reliable gear changes start with a quality rear derailleur. Our bike rear mech collection at Swinnerton Cycles covers road, MTB, and gravel options from all major groupset manufacturers — from entry-level mechanical systems to top-tier wireless electronic derailleurs. The rear derailleur is one of...

Bike Rear Mechs at Swinnerton Cycles

Precise, reliable gear changes start with a quality rear derailleur. Our bike rear mech collection at Swinnerton Cycles covers road, MTB, and gravel options from all major groupset manufacturers — from entry-level mechanical systems to top-tier wireless electronic derailleurs. The rear derailleur is one of the most critical components in your drivetrain, and choosing the right one for your cassette range, frame, and groupset is essential. We stock rear mechs from Shimano, SRAM, Campagnolo, and MicroSHIFT. Explore Road Rear Mechs, MTB Rear Mechs, Gravel Rear Mechs, and Rear Mech Spares.

Popular Rear Mechs

Road Rear Mech

Road Rear Mech
MTB Rear Mech

MTB Rear Mech
Gravel Bike Rear Mech

Gravel Bike Rear Mech
Jockey Wheels

Jockey Wheels
Rear Mech Spares

Rear Mech Spares
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  • SRAM Apex Xplr AXS rear derailleur pulley kit with 12T steel bearing and bushing pulleys for bike component maintenanceSRAM Apex Xplr AXS rear derailleur pulley kit with 12T steel bearing and bushing pulleys for bike components.

      SRAM Rear Derailleur Pulley Kit Apex Xplr AXS with 12T Steel Bearing & Bushing Pulleys

      Enhance your SRAM Apex Xplr AXS drivetrain with the SRAM Spare Rear Derailleur Pulley Kit, designed for precision and durability. This kit includes a 12T steel bearing upper pulley and a 12T bushing lower pulley, ensuring smooth and reliable shifting performance. The inclusion of...
      £14.92
      £22.00
      £14.92
      Save £7.08
    • SRAM Rear Derailleur X01DH 7-Speed Short Cage A3SRAM Rear Derailleur X01DH 7-Speed Short Cage A3: BLACK 7 SPEED | Swinnerton Cycles

      SRAM X01DH Rear Derailleur 7-Speed Short Cage A3 Black MTB Component - Black

      The SRAM Rear Derailleur X01DH 7-Speed Short Cage A3 in sleek black is designed to deliver precision and reliability for your mountain biking adventures. Built with SRAM’s innovative X-HORIZON™ technology, it ensures consistent chain gap across all seven gears, providing faster and smoother shifting...
      £248.09
      £273.00
      £248.09
      Save £24.91
      • Black
    • SRAM Rear Derailleur Setup Key / Cage Lock Assembly Kit With Spring Force Rival Xplr AXS E1

        SRAM Rear Derailleur Setup Key & Cage Lock Assembly Kit for Rival XPLR AXS E1

        Optimize your bike's performance with the SRAM Rear Derailleur Setup Key / Cage Lock Assembly Kit. Designed specifically for Rival XPLR AXS E1, this kit ensures precise adjustment and secure cage locking for smooth and reliable shifting. Crafted from quality materials, it enhances the...
        £12.64
        £15.00
        £12.64
        Save £2.36
      • SRAM Rear Derailleur Rival AXS E1 12-Speed Max 36T (Battery Not Included)

        SRAM Rival AXS Rear Derailleur 12-Speed Wireless, Max 36T Cassette Compatible

        The SRAM Rival AXS Rear Derailleur is engineered to elevate your road cycling experience with seamless 12-speed wireless shifting. Designed to handle cassettes ranging from 10-28 to 10-36 teeth, it offers unmatched versatility for tackling varied terrains with confidence. Its advanced chain management technology...
        £257.34
        £285.00
        £257.34
        Save £27.66
      • SRAM Rear Derailleur Rival 1X AXS XPLR E1 13-Speed Max 46T (Battery Not Included)

        SRAM Rival 1X AXS XPLR E1 Rear Derailleur 13-Speed Wireless 46T Max Capacity

        The SRAM Rear Derailleur Rival 1X AXS XPLR E1 13-Speed is engineered to deliver flawless shifting performance, especially designed for the demands of gravel and road cycling. With a maximum tooth capacity of 46T, this rear mech ensures smooth gear transitions across a wide...
        £282.12
        £315.00
        £282.12
        Save £32.88
      • SRAM Rear Derailleur Pulley Kit Eagle 90 And 70 T-Type Eagle (Includes 14T Upper And 16T Spider Pulley With Bushings, 2 Stainless Steel Pulley Screws)

          SRAM Rear Derailleur Pulley Kit Eagle 90 & 70 T-Type with 14T Upper & 16T Spider Pulley

          Upgrade your drivetrain with the SRAM Rear Derailleur Pulley Kit Eagle 90 and 70 T-Type Eagle. This kit includes a 14T upper pulley and a 16T spider pulley, both equipped with durable bushings for smooth and reliable shifting. Crafted with precision, it also comes...
          £14.79
          £17.00
          £14.79
          Save £2.21
        • SRAM Rear Derailleur P-Knuckle Kit Eagle 90 T-Type Eagle (Includes 2 Pivot Pins)

            SRAM Rear Derailleur P-Knuckle Kit Eagle 90 T-Type with 2 Pivot Pins for RD-90-A1

            Upgrade your SRAM Eagle drivetrain with the Rear Derailleur P-Knuckle Kit Eagle 90 T-Type Eagle. Designed specifically for the RD-90-A1 model, this kit includes two durable pivot pins, ensuring smooth and reliable shifting performance. Precision-engineered to maintain your bike’s optimal function, it supports seamless...
            £29.18
            £33.00
            £29.18
            Save £3.82
          • SRAM Rear Derailleur Inner Cage Eagle 90 T-Type (Silver Inner Cage Including 2 T25 Stainless Steel Pulley Bolts)

              SRAM Rear Derailleur Inner Cage Eagle 90 T-Type with 2 T25 Stainless Steel Pulley Bolts

              Upgrade your drivetrain with the SRAM Rear Derailleur Inner Cage Eagle 90 T-Type. Crafted with precision, this silver inner cage includes 2 T25 stainless steel pulley bolts, ensuring durability and smooth shifting performance. Designed specifically for the RD-90-A1 model, it guarantees perfect compatibility and...
              £24.20
              £27.00
              £24.20
              Save £2.80
            • SRAM Rear Derailleur Force 1X AXS XPLR E1 13-Speed Max 46T (Battery Not Included)

              SRAM Force 1X AXS XPLR Rear Derailleur 13-Speed Max 46T Wireless Electronic

              The SRAM Rear Derailleur Force 1X AXS XPLR E1 13-Speed Max 46T is engineered for riders who demand precision, durability, and effortless shifting on gravel and road terrains. Designed specifically for 1x drivetrains, this derailleur offers seamless integration with the 10-46T XPLR 13-speed cassette...
              £376.73
              £420.00
              £376.73
              Save £43.27
            • SRAM Rear Derailleur Eagle 90 T-Type 12 Speed Max 52T (Mechanical)

              SRAM Eagle 90 T-Type Rear Derailleur 12 Speed Mechanical Max 52T Black - Black

              The SRAM Rear Derailleur Eagle 90 T-Type 12 Speed Max 52T redefines what a cable-actuated derailleur can achieve. Engineered with the innovative T-Type cable actuation ratio, it delivers exceptionally precise and crisp gear shifts, ensuring smooth and reliable performance on every ride. Built with...
              £156.65
              £185.00
              £156.65
              Save £28.35
              • Black
            • SRAM Rear Derailleur Eagle 70 T-Type 12 speed Max 52T (Mechanical)

              SRAM Eagle 70 T-Type Rear Derailleur 12 Speed Mechanical Max 52T Silver/Black - Silver/Black

              The SRAM Rear Derailleur Eagle 70 T-Type 12 speed Max 52T is engineered to deliver exceptional performance for mountain biking enthusiasts who demand precise and reliable shifting. Featuring the innovative T-Type cable actuation ratio, this derailleur ensures crisp and accurate gear changes every time,...
              £103.39
              £120.00
              £103.39
              Save £16.61
              • Silver/Black
            • SRAM Rear Derailleur Cover And Outer Inner Link Kit Eagle 90 T-Type Eagle (Complete Outer And Inner Links Including Bushings And Bolts, B-Knuckle Cover, Cable Washer And Anchor Bolt)

                SRAM Rear Derailleur Cover & Link Kit Eagle 90 T-Type RD-90-A1 Complete Replacement Parts

                Upgrade and maintain your SRAM Eagle drivetrain with the Rear Derailleur Cover and Outer Inner Link Kit Eagle 90 T-Type. This comprehensive kit includes complete outer and inner links, bushings, bolts, a B-knuckle cover, cable washer, and anchor bolt, ensuring a perfect fit and...
                £46.46
                £53.00
                £46.46
                Save £6.54
              • SRAM Rear Derailleur Cover/Skid Kit Eagle 70 T-Type Eagle (Upper And Lower Outer Link Including Bushings And Bolts, B-Knuckle Cover, Cable Washer And Anchor Bolt)

                  SRAM Eagle 70 T-Type Rear Derailleur Cover & Skid Kit with Bushings and Bolts

                  Enhance the durability and performance of your SRAM Eagle 70 T-Type rear derailleur with this comprehensive Rear Derailleur Cover/Skid Kit. Designed to protect critical components, the kit includes upper and lower outer links complete with bushings and bolts, a B-knuckle cover, cable washer, and...
                  £29.18
                  £33.00
                  £29.18
                  Save £3.82
                • SRAM Rear Derailleur Carbon Inner Cage Force Xplr AXS E1 Including Stainless Steel Screws

                    SRAM Rear Derailleur Carbon Inner Cage for Force XPLR AXS E1 with Stainless Steel Screws

                    Enhance your bike’s shifting precision with the SRAM Rear Derailleur Carbon Inner Cage Force XPLR AXS E1. Crafted from high-quality carbon, this component ensures lightweight durability and reliable performance. Included stainless steel screws provide secure installation, making it an essential upgrade for your drivetrain...
                    £24.46
                    £36.00
                    £24.46
                    Save £11.54
                  • SRAM Rear Derailleur Cage Assembly Kit Force XPLR AXS E1 (Full Replacement Cage Assembly Including Outer And Inner Cages, Damper And Pulleys)

                    SRAM Rear Derailleur Cage Assembly Kit Force XPLR AXS E1 36T Full Replacement with Damper & Pulleys

                    Upgrade your SRAM Force XPLR AXS E1 with this complete Rear Derailleur Cage Assembly Kit. Designed as a full replacement, it includes both outer and inner cages, a damper, and pulleys specifically engineered for the 36T configuration. Crafted to maintain optimal shifting performance, this...
                    £124.34
                    £135.00
                    £124.34
                    Save £10.66
                  • SRAM Eagle 90 T-Type rear derailleur cage assembly kit with damper and pulleys, bicycle component for precise shifting.

                      SRAM Rear Derailleur Cage Assembly Kit Eagle 90 T-Type with Damper & Pulleys

                      Upgrade your bike’s performance with the SRAM Rear Derailleur Cage Assembly Kit Eagle 90 T-Type Eagle. This full replacement kit includes both outer and inner cages, a damper, and pulleys, designed to perfectly fit your RD-90-A1 derailleur. Crafted by SRAM, it ensures reliable shifting...
                      £72.24
                      £83.00
                      £72.24
                      Save £10.76
                    • SRAM Rear Derailleur Bushing Kit Eagle 90 70 T-Type Eagle - Bushings For Outer And Inner Link - Qty8

                        SRAM Rear Derailleur Bushing Kit Eagle 90 70 T-Type, 8 Bushings for Outer & Inner Link

                        Upgrade your SRAM Eagle drivetrain with the SRAM Rear Derailleur Bushing Kit Eagle 90 70 T-Type. This kit includes 8 precision bushings designed specifically for the outer and inner link of your rear derailleur, ensuring smooth and reliable shifting performance. Crafted to fit models...
                        £6.54
                        £8.00
                        £6.54
                        Save £1.46
                      • SRAM Rear Derailleur B-Knuckle Kit Eagle 90 T-Type Eagle (Includes Inner, Middle And Outer B-Knuckle, Cable Guide And Cover With Bolts)

                          SRAM Eagle 90 T-Type Rear Derailleur B-Knuckle Kit with Cable Guide & Bolts

                          The SRAM Rear Derailleur B-Knuckle Kit Eagle 90 T-Type is designed to restore and enhance the shifting performance of your Eagle drivetrain. This comprehensive kit includes the inner, middle, and outer B-knuckles, along with a cable guide and cover with bolts, ensuring a perfect...
                          £54.51
                          £62.00
                          £54.51
                          Save £7.49
                        • SRAM Rear Derailleur Aluminum Inner Cage Rival XPLR AXS E1 Including Stainless Steel Screws

                            SRAM Rear Derailleur Aluminum Inner Cage Rival XPLR AXS E1 with Stainless Steel Screws

                            Experience precise and reliable gear shifting with the SRAM Rear Derailleur Aluminum Inner Cage Rival XPLR AXS E1. Crafted from durable aluminum and equipped with stainless steel screws, this component ensures long-lasting performance and resistance to wear. Designed specifically for SRAM systems, it delivers...
                            £24.46
                            £36.00
                            £24.46
                            Save £11.54
                          • Basso Bikes Universal Derailleur Hanger (UDH)Basso Bikes Universal Derailleur Hanger (UDH)

                              Basso Bikes Universal Derailleur Hanger (UDH) for Easy Replacement & Reliable Shifting - Default Title

                              The Basso Bikes Universal Derailleur Hanger (UDH) enhances shifting precision and reliability across a wide range of bike models. Its universal design simplifies maintenance by allowing quick and easy replacement without the hassle of sourcing specific hangers. This practical solution has been embraced industry-wide...
                              £23.00
                              £23.00
                            • Shimano Spares RD-U8050 bootShimano Spares RD-U8050 boot

                              Shimano RD-U8050 Rear Mech Boot Replacement Part for Smooth Shifting - Black

                              The Shimano Spares RD-U8050 boot ensures seamless protection for your rear mech. Crafted as a genuine replacement part, it maintains optimal transmission performance and durability. Designed to fit perfectly, this component safeguards your bike’s shifting system from wear and tear. Keep your ride smooth...
                              £2.82
                              £2.99
                              £2.82
                              Save £0.17
                              • Black
                            • Shimano RD-RX820 rear derailleur switch lever unit for bicycle rear mech, shown in exploded view with internal components.Shimano RD-RX820 rear derailleur switch lever unit, exploded view showing components for replacement or repair.

                              Shimano RD-RX820 Switch Lever Unit Replacement for Rear Mech Spares - Black

                              The Shimano Spares RD-RX820 switch lever unit ensures reliable shifting performance for your bike. This genuine replacement part maintains smooth gear transitions and extends the life of your transmission system. Designed for durability and precision, it fits perfectly with compatible Shimano rear mechs, making...
                              £2.82
                              £2.99
                              £2.82
                              Save £0.17
                              • Black
                            • Shimano RD-M9260 rear derailleur protection tube set with boot replacement, compatible bike components, black and durable plastic.Shimano RD-M9260 rear derailleur protection tube set with boot replacement, bicycle component for derailleur protection.

                              Shimano RD-M9260 Rear Derailleur Protection Tube Set with Boot Replacement - Black

                              Protect your Shimano RD-M9260 rear mech with this genuine replacement tube set. Designed to shield crucial components, it ensures longevity and optimal performance of your transmission system. What It’s Good For Protecting rear mech components from dirt and damage Extending the lifespan of your...
                              £11.34
                              £11.99
                              £11.34
                              Save £0.65
                              • Black
                            • Shimano RD-M9260 rear derailleur outer link bumper with fixing screw, spare bike component part for Shimano gears.Shimano RD-M9260 rear derailleur outer link bumper with fixing screw, bicycle spare parts for derailleur components.

                              Shimano RD-M9260 Rear Derailleur Outer Link Bumper with Fixing Screw Spare Parts - Black

                              Ensure smooth shifting with the genuine Shimano Spares RD-M9260 outer link bumper and fixing screw. Designed for durability and precise fit, this component keeps your rear mech operating flawlessly. Made to Shimano’s exact specifications, it guarantees reliable performance and longevity for your bike’s transmission...
                              £8.51
                              £8.99
                              £8.51
                              Save £0.48
                              • Black
                            • Shimano RD-M9260 rear derailleur cable cover and fixing screw, genuine spare parts for bike components.Shimano RD-M9260 rear derailleur cable cover and fixing screw for Shimano spare components, shown on a white background.

                              Shimano RD-M9260 Rear Mech Cable Cover and Fixing Screw Genuine Spare Part - Black

                              Keep your Shimano rear mech secure with this genuine RD-M9260 cable cover and fixing screw. Designed for reliable performance, it ensures smooth transmission and easy maintenance. Crafted to fit perfectly, this genuine Shimano spare helps extend the life of your bike’s components, maintaining optimal...
                              £8.51
                              £8.99
                              £8.51
                              Save £0.48
                              • Black
                            • Shimano Spares RD-M9250 tension and guide pulley set for rear derailleur, showcasing durable bike components with precise design.Shimano Spares RD-M9250 rear derailleur tension and guide pulley set for bicycle components, shown in the image.

                              Shimano Spares RD-M9250 Tension & Guide Pulley Set for Rear Derailleur - Black

                              Upgrade your bike’s performance with the Shimano Spares RD-M9250 pulley set. Designed for smooth and reliable shifting, this genuine replacement ensures optimal tension and guide pulley function. Enhance your rear mech’s efficiency with high-quality components built to last. Perfectly engineered to match Shimano’s standards,...
                              £33.21
                              £40.99
                              £33.21
                              Save £7.78
                              • Black
                            • Shimano Spares RD-M9250 stroke adjusting screws and plate for rear derailleur, component replacement for bike gear shifting.Shimano Spares RD-M9250 stroke adjusting screws and plate for rear derailleur replacement, shown in a close-up image.

                              Shimano Spares RD-M9250 Stroke Adjusting Screws & Plate for Rear Mech Replacement - Black

                              Ensure precise gear shifting with the Shimano Spares RD-M9250 stroke adjusting screws and plate. Designed for durability and perfect fit, this genuine component maintains your rear mech's optimal performance. Easy to install and reliable, it keeps your transmission running smoothly, minimizing maintenance downtime. What...
                              £9.44
                              £9.99
                              £9.44
                              Save £0.55
                              • Black
                            • Shimano Spares RD-M9250 rear derailleur plate tension spring unit for bicycle component replacement.Shimano Spares RD-M9250 rear derailleur plate tension spring unit for bicycle component replacement.

                              Shimano Spares RD-M9250 Rear Derailleur Plate Tension Spring Unit Replacement - Black

                              The Shimano Spares RD-M9250 plate tension spring unit ensures precise rear derailleur performance. Designed as a genuine replacement part, it maintains smooth gear shifting and reliable transmission function. Crafted to meet Shimano’s exact standards, this component extends the lifespan of your rear mech and...
                              £9.44
                              £9.99
                              £9.44
                              Save £0.55
                              • Black
                            • Shimano Spares RD-M9250 rear derailleur plate bumper replacement component showing the metal bumper part for bike gear shifting.Shimano Spares RD-M9250 rear derailleur plate bumper replacement part showing the small component on a white background.

                              Shimano Spares RD-M9250 Rear Derailleur Plate Bumper Replacement Part - Black

                              Ensure your bike’s rear derailleur stays protected with the Shimano Spares RD-M9250 plate bumper. This genuine replacement part is designed for durability and perfect fitment. Made by Shimano, it guarantees seamless compatibility with your Shimano transmission system, helping maintain smooth shifting performance and prolonging...
                              £8.51
                              £8.99
                              £8.51
                              Save £0.48
                              • Black
                            • Shimano RD-M9250 rear derailleur plate axle and cap replacement parts for bike components.Shimano RD-M9250 rear derailleur plate axle and cap replacement components on a white background.

                              Shimano RD-M9250 Rear Derailleur Plate Axle and Cap Replacement Part - Black

                              Upgrade your bike with the genuine Shimano Spares RD-M9250 plate axle and cap. Designed for durability and precision, this component ensures smooth rear mech performance. Perfect for maintaining your transmission system, it guarantees a reliable fit and long-lasting use. Keep your bike running like...
                              £14.18
                              £14.99
                              £14.18
                              Save £0.81
                              • Black
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