Bike Derailleurs

Bike Derailleurs

The derailleur is a crucial component of your bike's drivetrain, responsible for moving the chain between gears in coordination with your shifter. This mechanism ensures smooth, quick, and precise gear changes, enhancing the overall riding experience.
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Shimano Ultegra R8000 11-Speed Rear Derailleur SS
Shimano
Ultegra R8000 11-Speed Rear Derailleur SS
£69.99
RRP £90.00 Save 22%
Finance available on orders over £99
Shimano Ultegra R8000 Double 11-Speed Front Derailleur, Braze-On
Shimano
Ultegra R8000 Double 11-Speed Front Derailleur, Braze-On
£49.10
RRP £52.00 Save 6%
Finance available on orders over £99
SALE
SRAM Red AXS XPLR E1 Rear Derailleur Carbon Inner Cage
SRAM
Red AXS XPLR E1 Rear Derailleur Carbon Inner Cage
£55.80
RRP £62.00 Save 10%
Finance available on orders over £99
SRAM Force Rear Derailleur
SRAM
Force Rear Derailleur
£89.98
RRP £99.99 Save 10%
Finance available on orders over £99
Shimano Ultegra R8050 Di2 11-Speed Rear Derailleur GS
Shimano
Ultegra R8050 Di2 11-Speed Rear Derailleur GS
£260.00
0% APR PayPal Credit Available
SRAM Eagle GX 12-Speed Rear Derailleur
SRAM
Eagle GX 12-Speed Rear Derailleur
£122.00
0% APR PayPal Credit Available
Shimano GRX RD-RX820 12-Speed Rear Derailleur Max 51T
Shimano
GRX RD-RX820 12-Speed Rear Derailleur Max 51T
£120.00
0% APR PayPal Credit Available
Shimano GRX RD-RX820 12-Speed Rear Derailleur Max 36T
Shimano
GRX RD-RX820 12-Speed Rear Derailleur Max 36T
£120.00
0% APR PayPal Credit Available
CeramicSpeed OSPW RS 5 Spoke Shimano 9250/8150 Pulley Wheels
CeramicSpeed
OSPW RS 5 Spoke Shimano 9250/8150 Pulley Wheels
£470.00
0% APR PayPal Credit Available
CeramicSpeed OSPWX System For SRAM Eagle Transmission Pulley Wheels
CeramicSpeed
OSPWX System for SRAM Eagle Transmission Pulley Wheels
£517.00
0% APR PayPal Credit Available
SALE
CeramicSpeed OSPW RS Alpha Disc SRAM Red/Force AXS Pulley Wheels
CeramicSpeed
OSPW RS Alpha Disc SRAM Red/Force AXS Pulley Wheels
£463.49
RRP £515.00 Save 10%
0% APR PayPal Credit Available
SRAM X01 Eagle 12-Speed Rear Derailleur Max 52T
More options available
SRAM
X01 Eagle 12-Speed Rear Derailleur Max 52T
£247.00
0% APR PayPal Credit Available
SALE
CeramicSpeed Coated SRAM AXS Oversized Pulley Wheel System
CeramicSpeed
Coated SRAM AXS Oversized Pulley Wheel System
From £359.10
RRP £495.00 Save 27%
0% APR PayPal Credit Available
Shimano Ultegra R8000 11-Speed Front Derailleur, Double 34.9mm
Shimano
Ultegra R8000 11-Speed Front Derailleur, Double 34.9mm
£55.00
Finance available on orders over £99
Shimano GRX 825 Di2 12-Speed Rear Derailleur
Shimano
GRX 825 Di2 12-Speed Rear Derailleur
£325.00
0% APR PayPal Credit Available
SALE
Shimano Ultegra R8000 11-Speed Rear Derailleur GS
Shimano
Ultegra R8000 11-Speed Rear Derailleur GS
£91.20
RRP £95.00
Finance available on orders over £99
SALE
SRAM Red ETap AXS E1 Front Derailleur
SRAM
Red eTap AXS E1 Front Derailleur
£405.00
RRP £450.00 Save 10%
0% APR PayPal Credit Available
SALE
SRAM Red AXS XPLR E1 Rear Derailleur Outer Link Kit
SRAM
Red AXS XPLR E1 Rear Derailleur Outer Link Kit
£19.00
RRP £21.00 Save 10%
Finance available on orders over £99
SALE
Shimano Deore XT M8070 Di2 Double Front Derailleur
Shimano
Deore XT M8070 Di2 Double Front Derailleur
£179.99
RRP £200.00 Save 10%
0% APR PayPal Credit Available

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Popular Bike Derailleur Brands

The leading brands seen on road and mountain bikes are Shimano and SRAM, while Campagnolo is another prominent brand, specialising in road cycling. Rear derailleurs handle gear shifts at the back of the bike and are compatible with 7 to 12-speed systems, while front derailleurs manage the gear changes at the front, typically offering 2 to 3-speed options.

At Sigma Sports find mountain bike derailleurs designed to take a few knocks from uneven trails or weight saving road bike derailleurs that won't let you down when you are racing.  We've also got these handy guides to adjusting front and rear derailleurs. 
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