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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SRAM X01 Eagle AXS 12-Speed Rear Derailleur
More options available
SRAM
X01 Eagle AXS 12-Speed Rear Derailleur
From £389.00
RRP £512.00 Save 24%
0% APR PayPal Credit Available
SALE
CeramicSpeed Coated Campagnolo Oversized Pulley Wheel System
CeramicSpeed
Coated Campagnolo Oversized Pulley Wheel System
£364.00
RRP £515.00 Save 29%
0% APR PayPal Credit Available
SALE
CeramicSpeed Over Sized Pulley Wheel System For Shimano Dura Ace 9100 / R8000
CeramicSpeed
Over Sized Pulley Wheel System for Shimano Dura Ace 9100 / R8000
From £351.00
RRP £459.00 Save 24%
0% APR PayPal Credit Available
SALE
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
SALE
Campagnolo Record 12x Rear Derailleur
Campagnolo
Record 12x Rear Derailleur
£191.34
RRP £213.00 Save 10%
0% APR PayPal Credit Available
SALE
Campagnolo Record 12-speed Braze-On Front Derailleur
Campagnolo
Record 12-speed Braze-On Front Derailleur
£88.99
RRP £99.00 Save 10%
Finance available on orders over £99
SALE
Shimano Dura-Ace R9150 Di2 11 Speed Front Derailleur E-Tube, Double, Braze-On
Shimano
Dura-Ace R9150 Di2 11 Speed Front Derailleur E-Tube, Double, Braze-On
£328.50
RRP £365.00 Save 10%
0% APR PayPal Credit Available
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CeramicSpeed SRAM 11-Speed Road Coated Pulley Wheels - Silver Ltd Edition
    CeramicSpeed
    SRAM 11-Speed Road Coated Pulley Wheels - Silver Ltd Edition
    £224.09
    RRP £249.00 Save 10%
    0% APR PayPal Credit Available
    SALE
    CeramicSpeed OSPW System Coated Campagnolo EPS 12-Speed
    CeramicSpeed
    OSPW System Coated Campagnolo EPS 12-Speed
    From £317.00
    RRP £495.00 Save 36%
    0% APR PayPal Credit Available
    SALE
    CeramicSpeed Coated OSPW System For Shimano Dura Ace 9100
    CeramicSpeed
    Coated OSPW System for Shimano Dura Ace 9100
    From £386.00
    RRP £480.00 Save 20%
    0% APR PayPal Credit Available
    SALE
    Shimano Dura-Ace Di2 R9250 12-Speed Rear Derailleur
    Shimano
    Dura-Ace Di2 R9250 12-Speed Rear Derailleur
    £629.00
    RRP £700.00 Save 10%
    0% APR PayPal Credit Available
    SALE
    Campagnolo Super Record EPS Wireless Rear Derailleur
    Campagnolo
    Super Record EPS Wireless Rear Derailleur
    £639.90
    RRP £790.00 Save 19%
    0% APR PayPal Credit Available
    SALE
    Kogel Kolossos Oversized Pulley Cage
    Kogel
    Kolossos Oversized Pulley Cage
    £425.00
    RRP £525.00 Save 19%
    0% APR PayPal Credit Available
    SALE
    Shimano XTR 12-Speed Rear Derailleur SGS Long Cage
    Shimano
    XTR 12-Speed Rear Derailleur SGS Long Cage
    £193.50
    RRP £215.00 Save 10%
    0% APR PayPal Credit Available
    SALE
    Shimano 105 RD-R7100 12-Speed Rear Derailleur
    Shimano
    105 RD-R7100 12-Speed Rear Derailleur
    £49.00
    RRP £60.00 Save 18%
    Finance available on orders over £99
    SALE
    SRAM Red ETap AXS E1 Rear Derailleur
    SRAM
    Red eTap AXS E1 Rear Derailleur
    £565.29
    RRP £700.00 Save 19%
    0% APR PayPal Credit Available
    SALE
    Shimano XTR RD-M9100 12-Speed Rear Derailleur GS Medium Cage
    Shimano
    XTR RD-M9100 12-Speed Rear Derailleur GS Medium Cage
    £193.50
    RRP £215.00 Save 10%
    0% APR PayPal Credit Available
    SALE
    SRAM Force 1 Rear Derailleur Long Cage (10-42) T3
    SRAM
    Force 1 Rear Derailleur Long Cage (10-42) T3
    £206.10
    RRP £229.00 Save 10%
    0% APR PayPal Credit Available
    SALE
    Campagnolo Centaur 11 Speed Braze On Front Derailleur
    Campagnolo
    Centaur 11 Speed Braze On Front Derailleur
    £36.00
    RRP £45.00 Save 20%
    Finance available on orders over £99

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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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