Gear Components

Some bike parts have a longer lifespan than others. Chains, cassettes, and bottom brackets and various other gear components fall under 'routine maintenance' items as they wear out and become less efficient with regular use.

At Sigma Sports we offer a wide range of gear and drivetrain components for all bike types, including road, gravel and mountain bikes with gear components from leading brands like C-Bear, Shimano, SRAM, Campagnolo, CeramicSpeed, Kogel, Wheels Manufacturing and KMC.
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SRAM Force XG-1270 E1 12 Speed Cassette
SRAM
Force XG-1270 E1 12 Speed Cassette
  • X-Range gearing
  • Matte nickel chrome finish
  • Compatible with XDR driver bodies
£164.99
RRP £190.00 Save 13%
SALE
Shimano Ultegra R8000 11-Speed Rear Derailleur SS
Shimano
Ultegra R8000 11-Speed Rear Derailleur SS
£45.99
RRP £90.00 Save 49%
SRAM GX Eagle 12 Speed Chain
SRAM
GX Eagle 12 Speed Chain
Sigma+ Price: £22.00
£23.99
RRP £32.00 Save 25%
SALE
Shimano FC-R7100 105 Double 12-Speed HollowTech II Chainset
Shimano
FC-R7100 105 Double 12-Speed HollowTech II Chainset
From £114.09
RRP £159.99 Save 29%
Shimano Ultegra FC-R8000 Chainring - 50T
Shimano
Ultegra FC-R8000 Chainring - 50T
£110.62
RRP £134.99 Save 18%
SALE
Shimano 105 R7170 Di2 12 Speed Groupset
Shimano
105 R7170 Di2 12 Speed Groupset
£799.00
RRP £1,730.00 Save 54%
SRAM Force AXS E1 2x Electronic HRD Groupset
SRAM
Force AXS E1 2x Electronic HRD Groupset
  • Fully redesigned hood ergonomics for one fingered braking
  • AXS enabled for simple wireless setup
£1,308.59
RRP £1,549.00 Save 16%
KMC X11 Grey Chain 118L
KMC
X11 Grey Chain 118L
£17.69
RRP £24.99 Save 29%
C-Bear PF30A Cannondale Shimano/FSA/Rotor 3D Compatible Bottom Bracket
C-Bear
PF30A Cannondale Shimano/FSA/Rotor 3D Compatible Bottom Bracket
£113.10
RRP £134.99 Save 16%
SRAM XG-1371 Force XPLR E1 13 Speed Cassette
SRAM
XG-1371 Force XPLR E1 13 Speed Cassette
  • Expanded 460% gear range 
    Compatible with all Flattop chains
    Compatible with XDR driver body
£240.79
RRP £270.00 Save 11%
SRAM Red XG-1290 E1 12 Speed Cassette
SRAM
Red XG-1290 E1 12 Speed Cassette
From £299.99
RRP £390.00 Save 23%
KMC X8 Chain
KMC
X8 Chain
£12.39
RRP £16.99 Save 27%
Shimano Tiagra CN-4601 10-Speed Chain
Shimano
Tiagra CN-4601 10-Speed Chain
Sigma+ Price: £18.99
£20.50
RRP £29.99 Save 32%
SALE
Shimano 105 R7100 12 Speed Mechanical Disc Groupset
Shimano
105 R7100 12 Speed Mechanical Disc Groupset
£499.00
RRP £925.00 Save 46%
Shimano SM-BB72 Road-Fit Press-Fit Bottom Bracket
Shimano
SM-BB72 Road-Fit Press-Fit Bottom Bracket
£34.79
RRP £39.99 Save 13%
SALE
KMC X10 114L 10-Speed Chain
KMC
X10 114L 10-Speed Chain
£25.50
RRP £29.99 Save 15%
Shimano CN-HG53 9-Speed Chain 116 Links
Shimano
CN-HG53 9-Speed Chain 116 Links
£16.99
RRP £23.00 Save 26%
Wheels Manufacturing BBright To Outboard 24mm Bottom Bracket
Wheels Manufacturing
BBright to Outboard 24mm Bottom Bracket
£103.99
RRP £115.00 Save 10%
SRAM Force AXS E1 Rear Derailleur
SRAM
Force AXS E1 Rear Derailleur
  • AXS enabled for simple setup
  • X-SYNC pulleys
  • 2x and 1x compatible
£296.59
RRP £330.00 Save 10%

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