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 105 R7000 11-Speed Rear Derailleur SS
Shimano
105 R7000 11-Speed Rear Derailleur SS
$‌75.00
SRAM Force AXS D2 Braze-on Front Derailleur
SRAM
Force AXS D2 Braze-on Front Derailleur
$‌269.00
Kogel Pulley Set
Kogel
Pulley Set
$‌298.00
Shimano GRX RD-RX820 12-Speed Rear Derailleur Max 51T
Shimano
GRX RD-RX820 12-Speed Rear Derailleur Max 51T
$‌163.00
SRAM Red AXS XPLR E1 Rear Derailleur
SRAM
Red AXS XPLR E1 Rear Derailleur
$‌949.00
SRAM Rival AXS E1 Front Derailleur
SRAM
Rival AXS E1 Front Derailleur
  • AXS enabled
  • Refined cage shape
  • SRAM Yaw cage movement and auto trim
$‌231.00
Shimano 105 RD-R7100 12-Speed Rear Derailleur
Shimano
105 RD-R7100 12-Speed Rear Derailleur
$‌82.00
Shimano 105 FD-R7100 12-Speed 28.6/31.8mm Front Derailleur
Shimano
105 FD-R7100 12-Speed 28.6/31.8mm Front Derailleur
$‌61.00
Shimano RD-M8100 XT 12-Speed SGS Rear Derailleur
Shimano
RD-M8100 XT 12-Speed SGS Rear Derailleur
$‌149.00
CeramicSpeed OSPW RS 5 Spoke Shimano 9250/8150 Pulley Wheels
CeramicSpeed
OSPW RS 5 Spoke Shimano 9250/8150 Pulley Wheels
From $‌573.00
RRP $‌637.00 Save 10%
CeramicSpeed OSPW RS 5 Spoke SRAM Red/Force AXS Pulley Wheels
CeramicSpeed
OSPW RS 5 Spoke SRAM Red/Force AXS Pulley Wheels
From $‌573.00
RRP $‌637.00 Save 10%
SRAM Rival AXS E1 Rear Derailleur
SRAM
Rival AXS E1 Rear Derailleur
  • AXS enabled
  • Compatible with both 1x and 2x drivetrains
  • Integrated chain management technology
$‌386.00
CeramicSpeed OSPW Aero Alpha For Shimano 9250/8250
CeramicSpeed
OSPW Aero Alpha for Shimano 9250/8250
$‌820.00
CeramicSpeed OSPW RS 5 Spoke Shimano 105 7150 Pulley Wheels
CeramicSpeed
OSPW RS 5 Spoke Shimano 105 7150 Pulley Wheels
$‌637.00
CeramicSpeed Coated SRAM AXS Oversized Pulley Wheel System
CeramicSpeed
Coated SRAM AXS Oversized Pulley Wheel System
$‌560.00
RRP $‌671.00 Save 17%
CeramicSpeed OSPWX Coated System
CeramicSpeed
OSPWX Coated System
From $‌338.00
RRP $‌671.00 Save 50%
Campagnolo Super Record 13 Speed Direct Mount Rear Derailleur
Campagnolo
Super Record 13 Speed Direct Mount Rear Derailleur
  • 13 Speed Wireless
  • Durability and Fast Charging
$‌919.00
CeramicSpeed Over Sized Pulley Wheel System For Shimano Dura Ace 9100 / R8000
CeramicSpeed
Over Sized Pulley Wheel System for Shimano Dura Ace 9100 / R8000
$‌514.00
RRP $‌622.00 Save 17%
Campagnolo Super Record 13 Speed Front Derailleur
Campagnolo
Super Record 13 Speed Front Derailleur
  • Precise Shifting: Fluid, efficient and reliable in any pedalling conditions
  • Removable battery with easy magnetic port charging
  • Position sensor ensures optimal alignment with selected sprocket or chainring
$‌674.00

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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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