Transmission

Filter and Sort (3)

Filters (3)

Buy

KMC

X11 Extra Light 11-Speed Chain - Silver (116 Links)

£26.99

Was £42.99 | Save £16.00 (37%)

Buy

Cannondale

Crankbolts H-Gram Sisl2

£12.49

Buy

Cannondale

Hollowgram Road Spindle Si 109mm (KP250)

£35.99

Was £39.99 | Save £4.00 (10%)

Buy

Cannondale

BB30 Bottom Bracket Bearings

£19.99

Buy

Shimano

105 HG700 11-Speed Cassette

£53.99

Was £59.99 | Save £6.00 (10%)

Available Sizes

Buy

SRAM

GX Eagle 12 Speed Hollowpin Powerlock Flowlink Chain - 126 Links - Nickel

£28.00

Was £32.00 | Save £4.00 (12%)

Buy

SRAM

Road DUB Bottom Bracket

From £35.00

Was £38.00 | Save £3.00 (8%)

Available Sizes

Buy

Cannondale

Si Sl Chainset Lockring (KP021)

£11.49

Was £12.99 | Save £1.50 (12%)

Buy

KMC

X11 11 Speed Chain - Grey

£22.99

Was £24.99 | Save £2.00 (8%)

Available Sizes

Buy

Praxis Works

68mm Shimano Conversion for PF30/BB30 Frame

£68.00

Was £75.00 | Save £7.00 (9%)

Buy

SRAM

Wireless Blips for AXS

£81.00

Was £90.00 | Save £9.00 (10%)

Buy

Hope Technology

MTB Stainless Steel 30mm Bottom Bracket

£95.00

Was £105.00 | Save £10.00 (10%)

Available Colours

Buy

Shimano

Ultegra HG800 11-Speed Cassette

£85.99

Was £94.99 | Save £9.00 (9%)

Available Sizes

Buy

Shimano

105 R7000 11-Speed Cassette

From £49.99

Was £54.99 | Save £5.00 (9%)

Available Sizes

Buy

Praxis Works

104 BCD Narrow Wide 1x Direct Threaded Steel E-Bike Chainring

£30.00

Available Sizes

Buy

Shimano

RS501 BSA Threaded 68mm Bottom Bracket

£15.99

Was £22.99 | Save £7.00 (30%)

Buy

SRAM

Mountain DUB Bottom Bracket

From £35.00

Was £38.00 | Save £3.00 (8%)

Available Sizes

Buy

Cannondale

Sprocket And Lockring For Moterra 2017

£22.99

Was £24.99 | Save £2.00 (8%)

Buy

Box Components

Four 8-Speed Multi-Shift Gear Shifter

£36.99

Buy

Hope Technology

Threaded Bottom Bracket - BSA - 24mm

£95.00

Was £105.00 | Save £10.00 (10%)

Available Colours

Buy

Cannondale

Hollowgram BB30 Road Chainset Spacer Kit

£16.99

Was £17.99 | Save £1.00 (6%)

Buy

Hope Technology

Stainless Press Fit Bottom Bracket PF41

£104.00

Was £115.00 | Save £11.00 (10%)

Buy

Shimano

12-Speed Quick Link (2 Pack)

£13.99

Was £14.99 | Save £1.00 (7%)

Buy

Shimano

Ultegra R8000 11-Speed Cassette

From £74.99

Was £84.99 | Save £10.00 (12%)

Available Sizes

Buy

Cannondale

HollowGram Self-Extracting Crank Arm (2021)

£99.99

Buy

Hope Technology

R22 E-Bike Spiderless Retainer Ring - Bosch Gen 4 (55mm Wide)

£63.00

Was £70.00 | Save £7.00 (10%)

Available Colours

Available Sizes

Buy

Orbea

Chain Guide Kit For Rise (2025)

£31.00

Buy

Orbea

EP8 Spider And Bolts For Belt Chainring - 44.4mm Chainline

£27.00

Buy

Hope Technology

PressFit 41 Bottom Bracket - 30mm

£81.00

Was £90.00 | Save £9.00 (10%)

Buy

Shimano

M371 9-Speed Crankset

£59.99

Buy

FSA

Powerbox Carbon Aero TT Chainring - 110BCD

£339.99

Finance From £7.56/mo

Available Sizes

Buy

BBB

RollerBoys Sram Ceramic Jockey Wheels - 12T

£28.99

Buy

BBB

RollerBoys Sram 12-Speed Jockey Wheels - 12T

£19.99

Buy

BBB

E-PowerLine 11-Speed E-Bike Chain (136 Links)

£39.99

Available Sizes

Buy

BBB

E-PowerLine 10-Speed E-Bike Chain (136 Links)

£36.99

Available Sizes

Buy

BBB

E-PowerLine 9-Speed E-Bike Chain (136 Links)

£31.99

Available Sizes

Buy

BBB

PowerLine E-Bike Chain - Single Speed

£17.99

Buy

BBB

PowerLine 12-Speed Chain (126 Links)

£44.99

Available Sizes

Buy

BBB

PowerLine 10-Speed Chain (114 Links)

£27.99

Available Sizes

Buy

Scott

Strike eRide 30 Chainguide (2024)

£40.00

Available Sizes

Buy

Scott

Chainguide For Voltage And Patron eRide (2024)

£40.00

Available Sizes

Buy

Box Components

Four 8-Speed Rear Derailleur

£69.99

Buy

FSA

T47 68mm Road Bottom Bracket - Shimano 24mm

£38.99

Was £44.99 | Save £6.00 (13%)

Buy

SRAM

Red eTap AXS E1 2x HRD Electronic Groupset With Hamerhead Karoo

£2599.00

Was £3000.00 | Save £401.00 (13%)

Finance From £36.10/mo

Buy

KMC

X11 11-Speed Chain (Grey)

From £20.99

Was £22.99 | Save £2.00 (9%)

Available Sizes

Buy

SRAM

Red AXS XPLR E1 Rear Derailleur Carbon Inner Cage

£62.00

Buy

SRAM

Red AXS E1 Ceramic Pulley Wheel Kit

£125.00

Was £152.00 | Save £27.00 (18%)

Buy

SRAM

Red AXS E1 Limit Screw Set

£25.00

Was £30.00 | Save £5.00 (17%)

Available Sizes

Buy

SRAM

Red XPLR E1 1x crankset - DUB Wide Direct Mount

£650.00

Finance From £13.54/mo

Available Sizes

Buy

SRAM

Red E1 X-Sync Road Threaded Mount Chainring

£150.00

Available Sizes

Buy

SRAM

Red AXS E1 12 Speed Rear Derailleur

£700.00

Finance From £14.58/mo

Buy

Hope Technology

Retainer Ring (110 BCD)

£41.00

Was £45.00 | Save £4.00 (9%)

Buy

Shimano

MT510 12-Speed Steel Chainring (96PCD)

£29.99

Available Sizes

Buy

SRAM

12-Speed Flat Top Powerlock Chain Connector (4 Pack) - Rainbow

£16.00

Was £17.00 | Save £1.00 (6%)

Buy

Wolf Tooth Components

Oval Direct Mount 0mm Offset Chainring For SRAM 8-Bolt - Drop Stop B

£85.00

Available Sizes

Buy

Wolf Tooth Components

Direct Mount Aero Chainring for SRAM 8-Bolt - Drop Stop B

£126.00

Available Sizes

Buy

Wolf Tooth Components

110 BCD Asymmetric 4-Bolt Aero Chainring For GRX Cranks - Drop Stop ST

£113.00

Available Sizes

Buy

Wolf Tooth Components

107 BCD Sram Aero Chainring - Drop Stop B

£117.00

Available Sizes

Buy

SRAM

eTap Battery

£51.00

Was £56.00 | Save £5.00 (9%)

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The range of transmission components & spares we carry is huge - we aim to support a wide range of customers with their complete range of transmission requirements. Parts within the range include both road bike and mountain bike components. We have broken down the range of transmission parts into a good level of sub-categories to make it easier than ever for you to find exactly what you need.

There are chainrings, chains, road bike chainsets, cassettes and chainrings - sold alongside electric mountain bike components and gearing components, including gear levers and shifters. Some of the most popular products within the range include bottom brackets and chain devices. There are a range of brands represented within this collection, including Shimano, KMC, Praxis Works, Hope Technology and bike manufacturers such as Cannondale.