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Rear
Derailleurs

SRAM

eTap Battery

£51.00  
Was  £56.00   | Save  £5.00   (9%)

Shimano

M8100 XT Shadow+ 12 Speed Rear Derailleur (Single Chainring)

£94.99  
Was  £109.99   | Save  £15.00   (14%)

Shimano

Deore M5100 11-Speed Shadow+ Rear Derailleur

£44.99  
Was  £49.99   | Save  £5.00   (10%)

SRAM

GX Eagle 12-Speed Rear Derailleur

£104.00  
Was  £122.00   | Save  £18.00   (15%)

Shimano

Deore M4120 10/11-Speed Rear Derailleur

£29.99  
Was  £41.99   | Save  £12.00   (29%)

Shimano

M7100 SLX Shadow+ 12 Speed Rear Derailleur (Single Chainring)

£76.99  
Was  £84.99   | Save  £8.00   (9%)

Shimano

Dura-Ace Di2 R9250 12-Speed Rear Derailleur

£629.99  
Was  £699.99   | Save  £70.00   (10%)
Finance From £10.76/mo

Box Components

Four 8-Speed Rear Derailleur

£69.99

Shimano

105 R7000 11 Speed Rear Derailleur

From  £49.99  
Was  £54.99   | Save  £5.00   (9%)

Shimano

Ultegra R8000 11 Speed Rear Derailleur

From  £80.99  
Was  £89.99   | Save  £9.00   (10%)

Shimano

M6100 Deore Shadow+ 12 Speed Rear Derailleur

£58.99  
Was  £64.99   | Save  £6.00   (9%)

SRAM

NX Eagle 12-Speed Rear Derailleur

£105.00  
Was  £117.00   | Save  £12.00   (10%)

Shimano

Altus RD-M310 7/8-Speed Rear Derailleur

£31.99  
Was  £34.99   | Save  £3.00   (9%)

Shimano

Ultegra Di2 R8050 11 Speed Rear Derailleur

£233.99  
Was  £259.99   | Save  £26.00   (10%)

Shimano

GRX825/GRX820 Replacement Pulley Wheels

£16.99

Shimano

XT M8250 12-Speed Rear Derailleur Without Battery (SGS)

£429.99
Finance From £7.17/mo
Available Sizes

Shimano

XT M8250 12-Speed Rear Derailleur Without Battery (GS)

£429.99
Finance From £7.17/mo
Available Sizes

Shimano

RDM9260 XTR 12-Speed Wired Rear Derailleur

£549.99
Finance From £11.46/mo
Available Sizes

Shimano

RDM9260 XTR 11-Speed Wired Rear Derailleur

£549.99
Finance From £11.46/mo
Available Sizes

Shimano

RDM9250 XTR 12-Speed Rear Derailleur (Without Battery)

£549.99
Finance From £11.46/mo
Available Sizes

SRAM

Eagle 70 T-Type 12-Speed Mechanical Rear Derailleur

£120.00

SRAM

Eagle 90 T-Type 12-Speed Mechanical Rear Derailleur

£185.00

MicroSHIFT

M26 7/8 Speed Rear Derailleur - Long Cage For Freewheels

£15.99

SRAM

Red eTap 11-Speed Rear Derailleur

£529.00  
Was  £587.00   | Save  £58.00   (10%)
Finance From £9.04/mo

MicroSHIFT

Mezzo 8/9 Speed Rear Derailleur - Short Cage

£19.99

MicroSHIFT

M26 7/8 Speed Rear Derailleur - Long Cage

£15.99

MicroSHIFT

Sword Rear Derailleur Cage Kit

£29.99

MicroSHIFT

Advent Clutch 9 Speed Rear Derailleur - Super Short Cage

£69.99

MicroSHIFT

Marvo LT 9 Speed Rear Derailleur - Short Cage

£24.99

MicroSHIFT

Marvo LT 9 Speed Rear Derailleur - Long Cage

£24.99

MicroSHIFT

M26 7/8 Speed Rear Derailleur - Short Cage

£15.99

MicroSHIFT

M26 7/8 Speed Rear Derailleur - Short Cage For Freewheels

£15.99

MicroSHIFT

Sword Black 2x9/10 Rear Derailleur

£49.99

MicroSHIFT

Sword Black 1x9/10 Rear Derailleur

£49.99

MicroSHIFT

Sword 2x10 Rear Derailleur With Clutch

£89.99

MicroSHIFT

Sword 1x10 Rear Derailleur With Clutch

£89.99

SRAM

SX Eagle Aluminum 12-Speed Rear Derailleur

£76.00  
Was  £84.00   | Save  £8.00   (10%)

SRAM

Red AXS XPLR E1 Rear Derailleur Carbon Inner Cage

£62.00

SRAM

Red AXS E1 Limit Screw Set

£25.00  
Was  £30.00   | Save  £5.00   (17%)
Available Sizes

SRAM

Red AXS XPLR E1 1x 13 Speed Rear Derailleur

£700.00
Finance From £14.58/mo

SRAM

Red AXS E1 12 Speed Rear Derailleur

£700.00
Finance From £14.58/mo

Shimano

Tiagra RD-4700 10-Speed Rear Derailleur (Medium Cage)

£40.99  
Was  £44.99   | Save  £4.00   (9%)

Shimano

Sora R3000 9-Speed GS Medium Cage Rear Derailleur

£38.99  
Was  £42.99   | Save  £4.00   (9%)

Shimano

Deore M5120 10/11-Speed Shadow+ Rear Derailleur

£42.99  
Was  £46.99   | Save  £4.00   (9%)

Shimano

RX825 GRX Di2 Shadow+ 12 Speed Rear Derailleur (Double Chainring)

£324.99
Finance From £7.22/mo

SRAM

GX T-Type Eagle AXS Rear Derailleur Battery Lever/Clip

£15.00

Box Components

Two Prime 9-Speed X-Wide Rear Derailleur

£119.99

SRAM

Rival AXS D1 12-Speed Rear Derailleur (Battery Not Included)

£255.00  
Was  £300.00   | Save  £45.00   (15%)

SRAM

Apex1 11-Speed Long Cage Rear Derailleur

£72.00  
Was  £79.00   | Save  £7.00   (9%)

SRAM

GX T-Type Eagle AXS Rear Derailleur Cover/Skid

£21.00

Box Components

Three Prime 9-Speed X-Wide Rear Derailleur

£84.99

Shimano

XT M8000 Shadow+ 11 Speed Rear Derailleur

£89.99  
Was  £99.99   | Save  £10.00   (10%)

Tektro

ED-9 8/9 Speed Rear Derailleur with Clutch

£80.00

SRAM

XX T-Type Eagle AXS Rear Derailleur Cover Kit

£21.00

Shimano

Altus RD-M2000 9-Speed SGS Rear Derailleur

£31.99  
Was  £36.99   | Save  £5.00   (14%)

Box Components

One DH 7-Speed Rear Derailleur

£184.99

SRAM

GX T-Type Eagle AXS Rear Derailleur

£430.00
Finance From £7.17/mo

SRAM

Rear Derailleur Inner Cage - GX T-Type Eagle AXS

£36.00

Shimano

T6000 Deore Trekking 10-Speed Rear Derailleur - SGS Long

£56.99
Available Sizes

The Rear Derailleur is the component which shifts the chain on the rear sprocket. Again, there are many different variations and brands of derailleur, with some designed for mountain bike use and some designed for road bike use. Their design however, at a basic level - remains the same, as does their functionality. Deraillerus arew fixed to the bike with a bolt, which secures the derailleur to the derailleur hanger.

Most mountain bikes and road bikes have both a front and rear dearailleuer, but SRAM pioneered a system which is increasingly used, using a 1 x chainring. The rear derailleur has to work incredibly hard during a bike ride, so it’s important that you choose the right derailleur for your bike, and keep your bike's transmission and drivetrain correctly maintained.