Rear Derailleurs
50 Results
Sharpen up your shifting with a new rear mech from one of the big brands: Shimano, Sram or Campagnolo.
Sub-Categories
Rear derailleurs or mechs come with a wide range of options from the big manufacturers; Mechanical, Electronic, Short Cage, Medium Cage, Long Cage, Clutch, 9/10/11 /12 speed. These options depend on which groupset you have and which cassette ratios you use. Merlin stock derailleurs from Shimano, Campagnolo and Sram for road and MTB. Rear mechs eventually wear out, and springs gets worn from general use over time, this can lead to sloppy / vague shifting.
-
![]()
Sram Force Rear Derailleur - 10 Speed
Sram Force Carbon Rear Derailleur - 10 SpeedView all Road Bike Rear DerailleursFrom £85.00RRP £124.99 Save 0% -
![]()
Shimano 105 RD-5701 Rear Derailleur - 10 Speed
Shimano 105 RD-5701 Rear Derailleur - 10 SpeedView all Road Bike Rear DerailleursFrom £32.50RRP £49.96 Save 0% -
![]()
Campagnolo Centaur 10 Speed Rear Mech - Black
The Centaur rear derailleur has been completely revolutionised compared to its predecessor.View all Road Bike Rear DerailleursFrom £67.50RRP £103.00 Save 0% -
![]()
Campagnolo Athena Rear Derailleur 11 Speed
Athena Rear Mech, 11 speed modelView all Road Bike Rear DerailleursFrom £72.50RRP £99.95 Save 0% -
![]()
Campagnolo Veloce 10 Speed Rear Derailleur
Thanks to the new design of the parallelogram, the rear derailleur is now lighter and more rigid, with the most effective and fastest shifting.View all Road Bike Rear DerailleursFrom £52.50RRP £73.99 Save 0% -
![]()
Shimano Ultegra 6700 Rear Derailleur Grey
Shimano Ultegra 6700 Rear derailleur in glossy Grey - Short Cage or Medium CageView all Road Bike Rear DerailleursFrom £49.99RRP £79.99 Save 0% -
![]()
Shimano Dura Ace 9070 Di2 Rear Derailleur
Shimano Dura Ace RD-9070ss rear derailleur, Di2 electronic shifting for use with the Dura Ace Di2 groupsetView all Road Bike Rear DerailleursFrom £299.00RRP £469.99 Save 0% -
![]()
Shimano Ultegra 6800 Rear Derailleur - 11 Speed
Shimano Ultegra 6800 Rear Derailleur, 11 speed model for the 6800 groupsetView all Road Bike Rear DerailleursFrom £37.50RRP £74.99 Save 0% -
![]()
Sram Force 22 Rear Derailleur - 11 Speed
Sram Force 22 Rear Derailleur, new 11 speed model for the Sram 22 groupsetsView all Road Bike Rear DerailleursFrom £63.95RRP £78.00 Save 0% -
![]()
Shimano Ultegra 6870 Di2 Rear Derailleur
Shimano Ultegra 11 speed Di2 rear derailleur, SS and GS modelsView all Road Bike Rear DerailleursFrom £134.99RRP £220.00 Save 0% -
![]()
Sram Force CX1 Rear Derailleur - 11 Speed
Sram Force CX1 Rear Derailleur - 11 SpeedView all Road Bike Rear DerailleursFrom £164.95RRP £185.00 Save 0% -
![]()
Shimano 105 RD-5800 Rear Derailleur - 11 Speed
Shimano 105 -5800 11speed rear derailleur, GS, for low gear 28-32T black. Featuring a new spring mechanism and cable pitch. Cage length options: SS and GSView all Road Bike Rear DerailleursFrom £29.95RRP £47.99 Save 0% -
![]()
Campagnolo Record 11-Speed Rear Derailleur
Campagnolo Record 11 Speed Rear Derailleur, New HO modelView all Road Bike Rear DerailleursFrom £149.00RRP £249.95 Save 0% -
![]()
Campagnolo Super Record HO Rear Derailleur - 11 Speed
Campagnolo Super Record HO Rear Derailleur - 11 SpeedView all Road Bike Rear DerailleursFrom £299.99RRP £419.99 Save 0% -
![]()
Shimano Tiagra 4700 Rear Derailleur - 10 Speed
Shimano Tiagra 4700 Rear Derailleur - 10 Speed - GS Medium cageView all Road Bike Rear DerailleursFrom £26.50RRP £40.00 Save 0% -
![]()
Shimano Dura Ace 9100 Rear Derailleur - 11 Speed
Shimano Dura Ace 9100 Rear Derailleur - 11 SpeedView all Road Bike Rear DerailleursFrom £119.00RRP £190.00 Save 0% -
![]()
Shimano Ultegra RD-R8000 Rear Derailleur - 11 Speed
Shimano Ultegra RD-R8000 Rear Derailleur - 11 SpeedView all Road Bike Rear DerailleursFrom £54.95RRP £84.95 Save 0% -
![]()
Sram Red 22 Rear Derailleur
Sram Red 22 Rear Derailleur - 11 SpeedlView all Road Bike Rear DerailleursFrom £139.00RRP £242.00 Save 0% -
![]()
Campagnolo Potenza HO Rear Derailleur - 11 Speed
Campagnolo Potenza HO (Disc Brake) Rear Derailleur - 11 SpeedView all Road Bike Rear DerailleursFrom £99.95RRP £137.50 Save 0% -
![]()
Campagnolo Chorus HO Rear Derailleur - 11 Speed
Campagnolo Chorus HO Rear Derailleur - 11 SpeedView all Road Bike Rear DerailleursFrom £201.52RRP £223.91 Save 0% -
![]()
Shimano 105 RD-5800 Rear Derailleur - 11 Speed (Silver)
Shimano 105 RD-5800 Rear Derailleur - 11 Speed (Silver)View all Road Bike Rear DerailleursFrom £29.95RRP £47.98 Save 0% -
![]()
Campagnolo Centaur 11-Speed Rear Derailleur
11-Speed Centaur rear derailleur for use with the 11-29, 12-32 and 11-32 cassettesView all Road Bike Rear DerailleursFrom £52.50RRP £66.80 Save 0% -
![]()
Campagnolo Super Record Rear Derailleur - 11 Speed
Campagnolo Super Record Rear Derailleur - 11 SpeedView all Road Bike Rear DerailleursFrom £179.99RRP £380.00 Save 0% -
![]()
Sram Force 1 Rear Derailleur - 11 Speed
Sram Force 1 Rear Derailleur - 11 SpeedView all Road Bike Rear DerailleursFrom £144.95RRP £207.00 Save 0% -
![]()
Campagnolo Super Record Rear Derailleur - 12 Speed
Campagnolo Super Record Rear Derailleur - 12 SpeedView all Road Bike Rear DerailleursFrom £400.00RRP £400.00 Save 0% -
![]()
Shimano 105 RD-R7000 Rear Derailleur - 11 Speed
Shimano 105 RD-R7000 Rear Derailleur - 11 SpeedView all Road Bike Rear DerailleursFrom £43.19RRP £47.99 Save 0% -
![]()
Shimano Ultegra R8050 Di2 Rear Derailleur
Shimano Ultegra R8050 Di2 Rear DerailleurView all Road Bike Rear DerailleursFrom £189.00RRP £239.00 Save 0% -
![]()
Campagnolo Record Rear Derailleur - 12 Speed
Campagnolo Record Rear Derailleur - 12 SpeedView all Road Bike Rear DerailleursFrom £214.00RRP £214.00 Save 0% -
![]()
Campagnolo Xenon Rear Derailleur - 10 Speed
Campagnolo Xenon Rear Derailleur - 10 SpeedView all Road Bike Rear DerailleursFrom £22.50RRP £43.00 Save 0% -
![]()
Shimano Deore M592 Shadow 9 Speed Rear Derailleur
Shimano Deore Shadow rear mech in black.View all MTB Rear DerailleursFrom £32.99RRP £39.95 Save 0% -
![]()
Shimano Deore M591 9 Speed Rear Derailleur
Deore top normal rear mech in black.View all MTB Rear DerailleursFrom £26.95RRP £39.98 Save 0% -
![]()
Shimano XT M772 Shadow 9 Speed Rear Derailleur
Shimano XT M772 Shadow 9 Speed Rear MechView all MTB Rear DerailleursFrom £53.99RRP £74.99 Save 0% -
![]()
Shimano XTR M981 Shadow 10 Speed Rear Mech
XTR M981 10 speed Dyna-Sys rear mech.View all MTB Rear DerailleursFrom £82.50RRP £124.99 Save 0% -
![]()
Shimano XT M781 10 Speed Rear Derailleur
Shimano XT M781 Shadow Dyna-Sys rear mech. Can be used on a standard mech hanger or with the newer direct mount frames.View all MTB Rear DerailleursFrom £47.99RRP £59.99 Save 0% -
![]()
Shimano Deore M615 Shadow+ Rear Derailleur
Shimano Deore RDM615 Shadow Plus 10 speed rear derailleur, choice of GS or SGS cage lengthView all MTB Rear DerailleursFrom £37.50RRP £49.99 Save 0% -
![]()
Sram XX1 Type 2.1 Rear Derailleur - 11 Speed
Sram XX1 Type 2.1 Rear Derailleur - 11 SpeedView all MTB Rear DerailleursFrom £229.00RRP £258.00 Save 0% -
![]()
Shimano XT M8000 Shadow+ Rear Derailleur - 11 Speed
Shimano XT M8000 Shadow+ Rear Derailleur - 11 SpeedView all MTB Rear DerailleursFrom £59.99RRP £89.99 Save 0% -
![]()
Sram XX1 Eagle Rear Derailleur 12 Speed
Sram XX1 Eagle Rear Derailleur 12 SpeedView all MTB Rear DerailleursFrom £199.99RRP £258.00 Save 0% -
![]()
Sram X01 Eagle Rear Derailleur 12 Speed
PURPOSEView all MTB Rear DerailleursFrom £139.00RRP £203.00 Save 0% -
![]()
Sram NX Rear Derailleur - 11 Speed
Sram NX X-Horizon Rear Derailleur - 11 SpeedView all MTB Rear DerailleursFrom £56.99RRP £72.00 Save 0% -
![]()
Shimano M7000 SLX Rear Derailleur - 11 Speed
Shimano M7000 SLX Rear Derailleur - 11 SpeedView all MTB Rear DerailleursFrom £46.99RRP £69.95 Save 0% -
![]()
Shimano Deore M6000 Shadow Plus Rear Derailleur - 10 Speed
Shimano Deore M6000 Shadow Plus Rear Derailleur - 10 SpeedView all MTB Rear DerailleursFrom £49.99RRP £64.99 Save 0% -
![]()
Sram X0 Type 2 Rear Derailleur - 10 Speed
Sram X0 Type 2 Rear Derailleur - 10 SpeedView all MTB Rear DerailleursFrom £139.99RRP £214.00 Save 0% -
![]()
Sram X0 Rear Derailleur - 10 Speed
Sram X0 Rear Derailleur - 10 SpeedView all MTB Rear DerailleursFrom £119.99RRP £159.00 Save 0% -
![]()
Shimano XTR M9120 Rear Derailleur - 12 Speed
Shimano XTR M9120 Rear Derailleur - 12 SpeedView all MTB Rear DerailleursFrom £170.99RRP £190.00 Save 0% -
![]()
Sram XO Type 2 Rear Derailleur - 10 Speed
Sram XO Type 2 Rear Derailleur - 10 SpeedView all MTB Rear DerailleursFrom £139.99RRP £229.99 Save 0% -
![]()
SunRace Rear Derailleur Extender Link
SunRace Rear Derailleur Extender LinkView all Gear HangersFrom £8.99RRP £10.00 Save 0% -
![]()
Shimano M7000 SLX Rear Derailleur - 10 Speed
Shimano M7000 SLX Rear Derailleur - 10 SpeedView all MTB Rear DerailleursFrom £44.99RRP £64.99 Save 0% -
![]()
Shimano XT M771 9 Speed Rear Derailleur
XT rear mech, top normal version, available in a choice of cage lengths.View all MTB Rear DerailleursFrom £59.99RRP £74.99 Save 0% -
![]()
Shimano ZEE M640 Shadow+ Rear Derailleur
Shimano M640 ZEE 10 Speed Shadow+ Rear DerailleurView all MTB Rear DerailleursFrom £45.00RRP £64.99 Save 0%
