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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)

£89.99  
Was  £109.99   | Save  £20.00   (18%)

Shimano

Deore M5100 11-Speed Shadow+ Rear Derailleur

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

Shimano

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

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

Box Components

Four 8-Speed Rear Derailleur

£69.99

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

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%)

Shimano

105 R7000 11 Speed Rear Derailleur

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

SRAM

NX Eagle 12-Speed Rear Derailleur

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

Shimano

Ultegra Di2 R8050 11 Speed Rear Derailleur

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

Shimano

Altus RD-M310 7/8-Speed Rear Derailleur

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

SRAM

Force AXS D2 12-Speed Rear Derailleur - Max 36T - Battery Not Included (2023)

£290.00  
Was  £322.00   | Save  £32.00   (10%)
Finance From £7.25/mo

SRAM

Red eTap 11-Speed Rear Derailleur

£529.00  
Was  £587.00   | Save  £58.00   (10%)
Finance From £11.02/mo

SRAM

Red AXS XPLR E1 Rear Derailleur Carbon Inner Cage

£62.00

SRAM

Red AXS E1 Rear Derailleur Carbon Inner Cage

£50.00  
Was  £62.00   | Save  £12.00   (19%)

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

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

£324.99
Finance From £7.22/mo

Tektro

ED-9 8/9 Speed Rear Derailleur

£69.99

SRAM

Rear Derailleur Chaingap Adjustment Gauge - B Gap Tool - Compatible With Eagle 50T/52T

£6.00

SRAM

GX T-Type Eagle AXS Rear Derailleur Cover/Skid

£21.00

SRAM

Rear Derailleur Frame Sleeve B-Bolt

£11.00

Box Components

Two Prime 9-Speed X-Wide Rear Derailleur

£119.99

Box Components

Three Prime 9-Speed X-Wide Rear Derailleur

£84.99

SRAM

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

£15.00

Tektro

ED-9 8/9 Speed Rear Derailleur with Clutch

£80.00

Box Components

One Prime 9-Speed X-Wide Rear Derailleur

£164.99

Box Components

One DH 7-Speed Rear Derailleur

£184.99

Shimano

105 5701 10 Speed Rear Derailleur

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

SRAM

XX T-Type Eagle AXS Rear Derailleur Cover Kit

£21.00

SRAM

Eagle AXS T-Type Rear Derailleur Full Mount Bolt Kit

£30.00

SRAM

Rear Derailleur Inner Cage - GX T-Type Eagle AXS

£36.00

SRAM

GX T-Type Eagle AXS Derailleur Rebuild Kit

£62.00

Shimano

RX820 GRX 12-Speed Shadow+ Rear Derailleur (Max 51T Cassette)

£119.99
Available Sizes

SRAM

SX Eagle Aluminum 12-Speed Rear Derailleur

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

Shimano

Deore M5120 10/11-Speed Shadow+ Rear Derailleur

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

SRAM

GX T-Type Eagle AXS Rear Derailleur

£430.00
Finance From £7.17/mo

SRAM

Apex Eagle D1 Rear Derailleur

£135.00

SRAM

Apex XPLR D1 Rear Derailleur

£135.00

SRAM

Apex XPLR AXS Rear Derailleur

£260.00

SRAM

X01 DH Type 3.0 10-Speed Short Cage Rear Derailleur

£273.00

Shimano

U8000 CUES Shadow+ 11-Speed Rear Derailleur - GS Medium

£84.99
Available Sizes

Shimano

T6000 Deore Trekking 10-Speed Rear Derailleur - SGS Long

£56.99
Available Sizes

Shimano

RX820 GRX 12-Speed Shadow+ Rear Derailleur (Max 45T Cassette)

£119.99
Available Sizes

Shimano

RX820 GRX 12-Speed Shadow+ Rear Derailleur (Max 36T Cassette)

£119.99

Shimano

R7100 105 12-Speed Rear Derailleur

£59.99

Shimano

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

£329.99
Finance From £7.33/mo
Available Sizes

TRP

EVO 7 Rear Derailleur

£230.00

TRP

EVO 12 Rear Derailleur

£240.00

SRAM

XX SL/XX/X0 T-Type Eagle AXS Rear Derailleur Inner Cage

£33.00  
Was  £36.00   | Save  £3.00   (8%)

Shimano

Sora R3000 9-Speed GS Medium Cage Rear Derailleur

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

Shimano

CUES 6000 10/11-Speed GS Shadow+ Rear Derailleur

£53.99  
Was  £59.99   | Save  £6.00   (10%)
Available Sizes

SRAM

X0 T-Type Eagle AXS 12-Speed Rear Derailleur (Battery Not Included)

£531.00  
Was  £590.00   | Save  £59.00   (10%)
Finance From £11.06/mo

Shimano

CUES 8020 11-Speed SGS Shadow+ Rear Derailleur

£84.99
Available Sizes

Shimano

CUES 6020 11-Speed SGS Rear Derailleur

£59.99
Available Sizes

Shimano

CUES 6020 10-Speed SGS Rear Derailleur

£49.99
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.