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Road Bike Rear Derailleur

Find an upgrade or replacement rear derailleur for your mountain bike, gravel, commuting or road bike.

£ 140
£ 559
69 products found
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Shimano Acera RD-M3020 Rear Derailleur Sale

Shimano Acera RD-M3020 Rear Derailleur

£29.99 £39.99

Shimano Acera RD-M3020 Rear Derailleur

Acera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice.

£29.99 £39.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour black
Shimano Alivio M3100 Rear Derailleur, 9-speed, Shadow Design

Shimano Alivio M3100 Rear Derailleur, 9-speed, Shadow Design

£39.99

Shimano Alivio M3100 Rear Derailleur, 9-speed, Shadow Design

Great value Alivio M3100 rear derailleur offering crisp performance on- and off-road for 9-speed drive trains.

£39.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour black
Shimano Altus M310 8-Speed Rear Derailleur Sale

Shimano Altus M310 8-Speed Rear Derailleur

£24.99 £34.99

Shimano Altus M310 8-Speed Rear Derailleur

Altus mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice.

£24.99 £34.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour black
Shimano Altus M370 9 Speed Rear Derailleur

Shimano Altus M370 9 Speed Rear Derailleur

£32.99

Shimano Altus M370 9 Speed Rear Derailleur

Great value Altus rear derailleur offering crisp performance on and off the road.

£32.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour black
Shimano Altus RDM2000 Rear Derailleur

Shimano Altus RDM2000 Rear Derailleur

£34.99

Shimano Altus RDM2000 Rear Derailleur

Great value off road 9-speed rear derailleur, perfect for riders who are enjoying off road riding for the first time.

£34.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour black
Shimano Claris RD-R2000 8-Speed Rear Derailleur

Shimano Claris RD-R2000 8-Speed Rear Derailleur

From £34.99

Shimano Claris RD-R2000 8-Speed Rear Derailleur

R2000 Claris derailleurs feature an advanced light action for low-friction shifting up or down the block.

£34.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour silver
Shimano Cues RD-U3020 9-Speed Rear Derailleur

Shimano Cues RD-U3020 9-Speed Rear Derailleur

£34.99

Shimano Cues RD-U3020 9-Speed Rear Derailleur

CUES range of components for mid-grade riding styles offers simplified compatibility, versatility and durability.

£34.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Shimano Cues RD-U4020 9-Speed Rear Derailleur

Shimano Cues RD-U4020 9-Speed Rear Derailleur

£39.99

Shimano Cues RD-U4020 9-Speed Rear Derailleur

CUES range of components for mid-grade riding styles offers simplified compatibility, versatility and durability,LINKGLIDE technology is very durable, up to 300% more durable than current Hyperglide drivetrain and maintaining smooth shifting,Shadow design features a super low profile and optimized slant angle for light shifting action and improved clearance, Specification Wide link design increases rigidity and service life One Fluorine-coated link pin bushing Large 11 tooth pulleys are used for longer life Aluminium bracket body with steel outer and inner plates For double, total capacity 41T, max front difference 16T 9-speed Compatible with LINKGLIDE and HG 11-speed chains Compatible with 36T low sprocket E-bike rated .

£39.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Shimano Cues RD-U6020 10-Speed Rear Derailleur

Shimano Cues RD-U6020 10-Speed Rear Derailleur

£49.99

Shimano Cues RD-U6020 10-Speed Rear Derailleur

CUES range of components for mid-grade riding styles offers simplified compatibility, versatility and durability.

£49.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Shimano Cues RD-U6020 11-Speed Rear Derailleur

Shimano Cues RD-U6020 11-Speed Rear Derailleur

£59.99

Shimano Cues RD-U6020 11-Speed Rear Derailleur

CUES range of components for mid-grade riding styles offers simplified compatibility, versatility and durability.

£59.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Shimano Cues RD-U8020 11-Speed Rear Derailleur

Shimano Cues RD-U8020 11-Speed Rear Derailleur

£84.99

Shimano Cues RD-U8020 11-Speed Rear Derailleur

CUES range of components for mid-grade riding styles offers simplified compatibility, versatility and durability.

£84.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Shimano Deore M5120 Rear Derailleur

Shimano Deore M5120 Rear Derailleur

£49.99

Shimano Deore M5120 Rear Derailleur

Deore M5120 Shadow plus 10/11-speed rear derailleur for dependable shifting performance and durability.

£49.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour black
Shimano Deore M6000 10-speed Shadow Rear Derailleur

Shimano Deore M6000 10-speed Shadow Rear Derailleur

£69.99

Shimano Deore M6000 10-speed Shadow Rear Derailleur

Loaded with features that have trickled down from Shimano's top-of-the-line XTR model, the Deore M6000 Shadow+ 10 Speed Rear Mech offers you pro-level performance without the pro-level price tag.

£69.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour black
Shimano Deore M6100 Rear Derailleur

Shimano Deore M6100 Rear Derailleur

£64.99

Shimano Deore M6100 Rear Derailleur

Deore M6100 Shadow plus 12-speed rear derailleur for dependable shifting performance and durability.

£64.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour black
Shimano Deore RD-M4120 10/11-Speed Shadow Rear Derailleur

Shimano Deore RD-M4120 10/11-Speed Shadow Rear Derailleur

£39.99

Shimano Deore RD-M4120 10/11-Speed Shadow Rear Derailleur

Deore M4120 Shadow 10/11-speed rear derailleur for the dependable shifting performance and durability.

£39.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour black
Shimano Deore RD-T8000 XT Trekking Rear Derailleur

Shimano Deore RD-T8000 XT Trekking Rear Derailleur

£84.99

Shimano Deore RD-T8000 XT Trekking Rear Derailleur

Deore XT 10-speed rear derailleur delivers reliable and precise shifting with a stiff and lightweight design.

£84.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour black
Shimano Dura-Ace Di2 12-Speed Rear Derailleur Out of stock

Shimano Dura-Ace Di2 12-Speed Rear Derailleur

£699.99

Shimano Dura-Ace Di2 12-Speed Rear Derailleur

The Dura-Ace Di2 12-Speed rear derailleur from Shimano has been completely overhauled by Shimano and compared to the 11-speed version now works wirelessly with Di2 STI levers.

£699.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Shimano Dura-Ace RD-R9250 Di2 12-Speed E-Tube Rear Derailleur

Shimano Dura-Ace RD-R9250 Di2 12-Speed E-Tube Rear Derailleur

£699.99

Shimano Dura-Ace RD-R9250 Di2 12-Speed E-Tube Rear Derailleur

Digital Integrated Intelligence or Di2: with programmed automatic motion at the touch of a switch the Dura-Ace Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency.

£699.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Shimano GRX Di2 RD-RX825 12-Speed Rear Derailleur

Shimano GRX Di2 RD-RX825 12-Speed Rear Derailleur

£324.99

Shimano GRX Di2 RD-RX825 12-Speed Rear Derailleur

Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world.

£324.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour grey
Shimano GRX RD-RX400 Rear Mech Sale

Shimano GRX RD-RX400 Rear Mech

£44.99 £64.99

Shimano GRX RD-RX400 Rear Mech

Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world.

£44.99 £64.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Shimano GRX RD-RX717 Di2 12-Speed Rear Derailleur

Shimano GRX RD-RX717 Di2 12-Speed Rear Derailleur

£379.99

Shimano GRX RD-RX717 Di2 12-Speed Rear Derailleur

The Shimano GRX RX717 Di2 rear derailleur sits at the core of the GRX electronic drivetrain, delivering fully wireless 12 speed shifting with a focus on reliability and control.

£379.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour grey
Shimano GRX RD-RX810 11-Speed Rear Derailleur Sale

Shimano GRX RD-RX810 11-Speed Rear Derailleur

£84.99 £109.99

Shimano GRX RD-RX810 11-Speed Rear Derailleur

Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world.

£84.99 £109.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Shimano GRX RD-RX812 11-Speed Rear Derailleur Sale

Shimano GRX RD-RX812 11-Speed Rear Derailleur

£89.99 £109.99

Shimano GRX RD-RX812 11-Speed Rear Derailleur

With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain.

£89.99 £109.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Shimano GRX RD-RX815 Rear Mech Di2 Shadow+ Out of stock

Shimano GRX RD-RX815 Rear Mech Di2 Shadow+

£284.99

Shimano GRX RD-RX815 Rear Mech Di2 Shadow+

Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world.

£284.99
In Stock. Ready for dispatch, or store pickup. Ready for dispatch, or store pickup. Available for store pickup only. Available for pre-order. Ships when available.
In Stock. Ready to dispatch, or store pickup in days. Ready to dispatch, or store pickup in days. Available for store pickup only. Available for pre-order. Ships when available.
Out Of Stock. Currently unavailable.
Size
Colour grey
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