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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C-Bear BB30A Cannondale Bottom Bracket
C-Bear
BB30A Cannondale Bottom Bracket
£109.29
RRP £129.99 Save 16%
KMC X12 Aurora Waxed Chain 126L
More options available
KMC
X12 Aurora Waxed Chain 126L
From £44.00
RRP £59.99 Save 27%
Wheels Manufacturing BB30A To Outboard Bottom Bracket For 24mm Cranks
Wheels Manufacturing
BB30A to Outboard Bottom Bracket for 24mm Cranks
Sigma+ Price: £121.49
£129.99
RRP £134.99
CeramicSpeed BB Alpha For BSA SRAM DUB Gravel Ceramic Bearing Bottom Bracket
CeramicSpeed
BB Alpha for BSA SRAM DUB Gravel Ceramic Bearing Bottom Bracket
£359.99
C-Bear T47 Shimano 86mm Ceramic Bottom Bracket
C-Bear
T47 Shimano 86mm Ceramic Bottom Bracket
£159.99
RRP £179.99 Save 11%
Kogel BSA Ceramic Bottom Bracket
Kogel
BSA Ceramic Bottom Bracket
From £239.00
Shimano GRX 812 11-Speed Rear Derailleur
Shimano
GRX 812 11-Speed Rear Derailleur
£104.50
RRP £110.00 Save 5%
SALE
SRAM Red XPLR E1 Wide DUB Crank Arm Set
SRAM
Red XPLR E1 Wide DUB Crank Arm Set
£359.99
RRP £400.00 Save 10%
KMC X12 Ti-N Gold/Black Waxed Chain 126L
KMC
X12 Ti-N Gold/Black Waxed Chain 126L
£40.59
RRP £57.99 Save 30%
SALE
SRAM Apex D1 DUB Wide Chainset
SRAM
Apex D1 DUB Wide Chainset
£90.99
RRP £120.00 Save 24%
KMC X12 Chain 126L
KMC
X12 Chain 126L
£37.00
RRP £52.99 Save 30%
SALE
FSA Pro Road 90 BCD 2x11 Chainring
FSA
Pro Road 90 BCD 2x11 Chainring
From £16.50
RRP £29.00 Save 43%
SRAM Force AXS XPLR E1 Rear Derailleur
SRAM
Force AXS XPLR E1 Rear Derailleur
  • Built for gravel
  • Hangerless Interface and Full Mount attachment
  • Replaceable and rebuildable parts
£382.79
RRP £420.00 Save 9%
Campagnolo Super Record 13 Speed 113 Link Chain
Campagnolo
Super Record 13 Speed 113 Link Chain
  • 13 Speed
  • New black chrome surface finish
£55.99
RRP £62.99 Save 11%
Enduro ABEC3 6806 MAX Bottom Bracket Bearing 30x42x7 (Single)
Enduro
ABEC3 6806 MAX Bottom Bracket Bearing 30x42x7 (Single)
£9.44
RRP £17.00 Save 44%
KMC X12 Ti-N Gold Waxed Chain 126L
KMC
X12 Ti-N Gold Waxed Chain 126L
£35.59
RRP £49.99 Save 29%
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
£254.99
RRP £285.00 Save 11%
SALE
Kogel T47 Ceramic Bottom Bracket - Internal
Kogel
T47 Ceramic Bottom Bracket - Internal
£212.29
RRP £280.00 Save 24%
SALE
Shimano Alivio CS-HG400 9-Speed Cassette
Shimano
Alivio CS-HG400 9-Speed Cassette
£17.69
RRP £32.00 Save 45%

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