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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KMC Mini Chain Tool
KMC
Mini Chain Tool
£17.95
RRP £19.99 Save 10%
KMC KMC MissingLink 7/8R EPT Joining Links
KMC
KMC MissingLink 7/8R EPT Joining links
£4.99
SRAM Rival 2x E1 Chainring Set
SRAM
Rival 2x E1 Chainring Set
£120.00
SRAM Force E1 126 Link 12/13 Speed Purple Flattop Chain
SRAM
Force E1 126 Link 12/13 Speed Purple Flattop Chain
  • Striking purple finish
  • Hard Chrome plated inner link plates and rollers
  • Flattop technology
£66.49
RRP £80.00 Save 17%
CeramicSpeed BB Alpha For BSA 24 Mm Gravel Ceramic Bearing Bottom Bracket
CeramicSpeed
BB Alpha for BSA 24 mm Gravel Ceramic Bearing Bottom Bracket
£359.99
CeramicSpeed OSPW RS Alpha Disc SRAM AXS Pulley Wheels Argent Special Edition
CeramicSpeed
OSPW RS Alpha Disc SRAM AXS Pulley Wheels Argent Special Edition
£534.99
Campagnolo Super Record Ultra 13 Speed Chainring
Campagnolo
Super Record Ultra 13 Speed Chainring
£299.00
SRAM Apex D1 120L 12-Speed Chain
SRAM
Apex D1 120L 12-Speed Chain
£24.99
RRP £32.00 Save 22%
SALE
SRAM Red Aero Direct Mount E1 Chainring
SRAM
Red Aero Direct Mount E1 Chainring
  • X-SYNC wide-tooth, narrow-tooth chainring technology
  • Laser-etched chainring finish
£216.00
RRP £240.00 Save 10%
KMC X11 Aurora Blue Chain
KMC
X11 Aurora Blue Chain
£35.99
RRP £45.99 Save 22%
SRAM X-Sync Direct Mount Chainring
SRAM
X-Sync Direct Mount Chainring
£55.00
RRP £61.00 Save 10%
CeramicSpeed BB Alpha For BB86 SRAM DUB Road Ceramic Bearing Bottom Bracket
CeramicSpeed
BB Alpha for BB86 SRAM DUB Road Ceramic Bearing Bottom Bracket
£359.99
Wheels Manufacturing BB86/92 Outboard ABEC-3 Bottom Bracket For 24mm Shimano Cranks
Wheels Manufacturing
BB86/92 Outboard ABEC-3 Bottom Bracket for 24mm Shimano Cranks
£115.00
KMC X12 Silver Waxed Chain 126L
KMC
X12 Silver Waxed Chain 126L
£31.89
RRP £42.99 Save 26%
Shimano GRX 815 Di2 11-Speed Rear Derailleur
Shimano
GRX 815 Di2 11-Speed Rear Derailleur
£233.78
RRP £284.99 Save 18%
Campagnolo Potenza 11-Speed Chain
Campagnolo
Potenza 11-Speed Chain
£36.00
RRP £40.00 Save 10%
CeramicSpeed BB86 SRAM DUB Bottom Bracket
CeramicSpeed
BB86 SRAM DUB Bottom Bracket
£224.99
RRP £275.00 Save 18%
KMC X9 Grey 114L 9 Speed Chain
KMC
X9 Grey 114L 9 Speed Chain
£9.49
RRP £16.00 Save 41%
New In
SRAM Force AXS 2x E1 Electronic HRD Groupset & Karoo GPS Bundle
SRAM
Force AXS 2x E1 Electronic HRD Groupset & Karoo GPS Bundle
  • Fully redesigned hood ergonomics for one fingered braking
  • AXS enabled for simple wireless setup
  • Includes Hammerhead Karoo GPS Computer
£1,557.59
RRP £1,849.00 Save 16%

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