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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Campagnolo Chorus 11 Speed Braze-On Front Derailleur
Campagnolo
Chorus 11 Speed Braze-On Front Derailleur
£89.00
Finance available on orders over £99
CeramicSpeed 3D Printed Titanium Oversized Pulley Wheel System For SRAM 10/11 Speed
    CeramicSpeed
    3D Printed Titanium Oversized Pulley Wheel System for SRAM 10/11 Speed
    £1,350.00
    0% APR PayPal Credit Available
    Shimano M8000 XT 11-Speed Shadow+ GS Rear Derailleur
    Shimano
    M8000 XT 11-Speed Shadow+ GS Rear Derailleur
    £69.99
    RRP £100.00 Save 30%
    0% APR PayPal Credit Available
    SRAM Red ETap AXS E1 Rear Derailleur
    SRAM
    Red eTap AXS E1 Rear Derailleur
    £581.00
    RRP £700.00 Save 17%
    0% APR PayPal Credit Available
    CeramicSpeed Coated Campagnolo Oversized Pulley Wheel System
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    CeramicSpeed
    Coated Campagnolo Oversized Pulley Wheel System
    £515.00
    0% APR PayPal Credit Available
    SRAM X01 Eagle AXS 12-Speed Rear Derailleur
    SRAM
    X01 Eagle AXS 12-Speed Rear Derailleur
    £460.00
    RRP £512.00 Save 10%
    0% APR PayPal Credit Available
    SALE
    CeramicSpeed Coated Over Sized Pulley Wheel System For SRAM
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    CeramicSpeed
    Coated Over Sized Pulley Wheel System for SRAM
    £350.00
    RRP £515.00 Save 32%
    0% APR PayPal Credit Available
    Shimano Dura-Ace 9100 11-Speed Front Derailleur, Double 28.6/31.8 Mm
    Shimano
    Dura-Ace 9100 11-Speed Front Derailleur, Double 28.6/31.8 mm
    £113.00
    RRP £125.00 Save 10%
    0% APR PayPal Credit Available
    CeramicSpeed Coated OSPW System For Shimano Dura Ace 9100
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    CeramicSpeed
    Coated OSPW System for Shimano Dura Ace 9100
    £432.00
    RRP £480.00 Save 10%
    0% APR PayPal Credit Available
    SRAM Rival ETap AXS Medium Cage Rear Derailleur
    SRAM
    Rival eTap AXS Medium Cage Rear Derailleur
    £249.00
    RRP £300.00 Save 17%
    0% APR PayPal Credit Available
    Shimano GRX 817 Di2 11-Speed Rear Derailleur
    Shimano
    GRX 817 Di2 11-Speed Rear Derailleur
    £251.85
    RRP £310.00 Save 19%
    0% APR PayPal Credit Available
    CeramicSpeed 3D Hollow Titanium Coated OSPW System
    slide 1 of 1
    CeramicSpeed
    3D Hollow Titanium Coated OSPW System
    £1,440.00
    0% APR PayPal Credit Available
    SRAM Rival XLPR ETap AXS D1 Rear Derailleur
    SRAM
    Rival XLPR eTap AXS D1 Rear Derailleur
    £240.00
    RRP £249.00
    0% APR PayPal Credit Available
    CeramicSpeed Oversized Pulley Wheel System For SRAM Red ETap
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    CeramicSpeed
    Oversized Pulley Wheel System for SRAM Red eTap
    £369.00
    RRP £460.00 Save 20%
    0% APR PayPal Credit Available
    Shimano Dura-Ace FD-9250 Di2 12-Speed Front Derailleur
    Shimano
    Dura-Ace FD-9250 Di2 12-Speed Front Derailleur
    £349.00
    RRP £400.00 Save 13%
    0% APR PayPal Credit Available
    SRAM Force AXS D2 Braze-on Front Derailleur
    SRAM
    Force AXS D2 Braze-on Front Derailleur
    £198.00
    0% APR PayPal Credit Available
    SRAM RED ETap AXS Rear Derailleur
    SRAM
    RED eTap AXS Rear Derailleur
    £540.49
    RRP £677.00 Save 20%
    0% APR PayPal Credit Available
    Shimano GRX 812 11-Speed Rear Derailleur
    Shimano
    GRX 812 11-Speed Rear Derailleur
    £85.00
    RRP £110.00 Save 23%
    Finance available on orders over £99
    Shimano Ultegra FD-R8150 Di2 12-Speed Front Derailleur
    Shimano
    Ultegra FD-R8150 Di2 12-Speed Front Derailleur
    £199.00
    RRP £250.00 Save 20%
    0% APR PayPal Credit Available
    CeramicSpeed Oversized Pulley Wheel System Campagnolo EPS 12-Speed
    slide 1 to 2 of 2
    CeramicSpeed
    Oversized Pulley Wheel System Campagnolo EPS 12-Speed
    From £290.00
    RRP £440.00 Save 34%
    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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