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 Double 11-Speed Front Derailleur, Braze-On
Shimano
Ultegra R8000 Double 11-Speed Front Derailleur, Braze-On
$‌57.00
Finance available on orders over $‌108.00
SRAM Red ETap AXS E1 Rear Derailleur
SRAM
Red eTap AXS E1 Rear Derailleur
$‌634.00
RRP $‌764.00 Save 17%
0% APR PayPal Credit Available
Shimano Ultegra R8000 11-Speed Rear Derailleur GS
Shimano
Ultegra R8000 11-Speed Rear Derailleur GS
$‌100.00
RRP $‌104.00
Finance available on orders over $‌108.00
Bestseller
Shimano Ultegra R8150 Di2 12-Speed Rear Derailleur
Shimano
Ultegra R8150 Di2 12-Speed Rear Derailleur
$‌415.00
0% APR PayPal Credit Available
Bestseller
Shimano Dura-Ace Di2 R9250 12-Speed Rear Derailleur
Shimano
Dura-Ace Di2 R9250 12-Speed Rear Derailleur
$‌764.00
0% APR PayPal Credit Available
Shimano Ultegra R8000 11-Speed Rear Derailleur SS
Shimano
Ultegra R8000 11-Speed Rear Derailleur SS
$‌77.00
RRP $‌99.00 Save 22%
Finance available on orders over $‌108.00
SRAM Red AXS XPLR E1 Rear Derailleur Carbon Inner Cage
SRAM
Red AXS XPLR E1 Rear Derailleur Carbon Inner Cage
$‌68.00
Finance available on orders over $‌108.00
Shimano GRX RD-RX820 12-Speed Rear Derailleur Max 51T
Shimano
GRX RD-RX820 12-Speed Rear Derailleur Max 51T
$‌131.00
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
$‌131.00
0% APR PayPal Credit Available
Shimano 105 FD-R7100 12-Speed 28.6/31.8mm Front Derailleur
Shimano
105 FD-R7100 12-Speed 28.6/31.8mm Front Derailleur
$‌50.00
Finance available on orders over $‌108.00
Shimano GRX FD-RX820 12-Speed Double Front Derailleur
Shimano
GRX FD-RX820 12-Speed Double Front Derailleur
$‌60.00
Finance available on orders over $‌108.00
Shimano GRX 815 Di2 Front Derailleur
Shimano
GRX 815 Di2 Front Derailleur
$‌240.00
0% APR PayPal Credit Available
CeramicSpeed Special Edition 3D Printed Hollow Titanium OSPW For SRAM AXS
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CeramicSpeed
Special Edition 3D Printed Hollow Titanium OSPW for SRAM AXS
$‌2,020.00
0% APR PayPal Credit Available
CeramicSpeed OSPW System For SRAM RED/Force AXS
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CeramicSpeed
OSPW System For SRAM RED/Force AXS
$‌480.00
0% APR PayPal Credit Available
SRAM Force Rear Derailleur
SRAM
Force Rear Derailleur
$‌99.00
RRP $‌110.00 Save 10%
Finance available on orders over $‌108.00
Shimano GRX RD-RX820 12-Speed Rear Derailleur Max 45T
Shimano
GRX RD-RX820 12-Speed Rear Derailleur Max 45T
$‌109.00
RRP $‌131.00 Save 17%
0% APR PayPal Credit Available
SRAM Red AXS XPLR E1 Rear Derailleur Outer Link Kit
SRAM
Red AXS XPLR E1 Rear Derailleur Outer Link Kit
$‌23.00
Finance available on orders over $‌108.00
CeramicSpeed OSPW System For Shimano Dura-Ace 9200/Ultegra 8100
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CeramicSpeed
OSPW System for Shimano Dura-Ace 9200/Ultegra 8100
$‌480.00
0% APR PayPal Credit Available
SRAM Red ETap AXS E1 Front Derailleur
SRAM
Red eTap AXS E1 Front Derailleur
$‌491.00
0% APR PayPal Credit Available
CeramicSpeed OSPW RS 5 Spoke Shimano 9250/8150 Pulley Wheels
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CeramicSpeed
OSPW RS 5 Spoke Shimano 9250/8150 Pulley Wheels
$‌513.00
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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