Transmission

Filter and Sort (27)

Filters (27)

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

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

BB30 Bottom Bracket Bearings

£19.99

Buy

Shimano

RS501 BSA Threaded 68mm Bottom Bracket

£15.99

Was £22.99 | Save £7.00 (30%)

Buy

Cannondale

Si Sl Chainset Lockring (KP021)

£11.49

Was £12.99 | Save £1.50 (12%)

Buy

Praxis Works

68mm Shimano Conversion for PF30/BB30 Frame

£68.00

Was £75.00 | Save £7.00 (9%)

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

Cannondale

OPI 8-Arm 52/36 Spidering (KP408)

£99.99

Was £109.99 | Save £10.00 (9%)

Buy

SRAM

Mountain DUB Bottom Bracket

From £35.00

Was £38.00 | Save £3.00 (8%)

Available Sizes

Buy

Praxis Works

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

£30.00

Available Sizes

Buy

Shimano

105 R7000 11-Speed Cassette

From £49.99

Was £54.99 | Save £5.00 (9%)

Available Sizes

Buy

SRAM

Wireless Blips for AXS

£81.00

Was £90.00 | Save £9.00 (10%)

Buy

FSA

T47 68mm Road Bottom Bracket - Shimano 24mm

£44.99

Buy

Cannondale

Opi Spidering Compact 50T/34T (KP245)

£179.99

Was £199.99 | Save £20.00 (10%)

Buy

KMC

X9 Grey 9-Speed Chain (116 Links)

£14.99

Available Sizes

Buy

SRAM

PC1130 Pin 11 Speed Chain (120 Link with PowerLock)

£21.00

Was £24.00 | Save £3.00 (12%)

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

Hope Technology

Stainless Press Fit Bottom Bracket PF41

£104.00

Was £115.00 | Save £11.00 (10%)

Buy

KMC

X11 11-Speed Chain (Grey)

From £20.99

Was £22.99 | Save £2.00 (9%)

Available Sizes

Buy

KMC

X12 12 Speed Chain - Silver (126 Links)

£26.99

Was £29.99 | Save £3.00 (10%)

Available Colours

Buy

Shimano

Ultegra R8000 11-Speed Cassette

From £74.99

Was £84.99 | Save £10.00 (12%)

Available Sizes

Buy

Shimano

HG701 Ultegra / XT M8000 11-Speed Chain (116 Links)

£35.99

Was £39.99 | Save £4.00 (10%)

Buy

Cannondale

Hollowgram BB30 Road Chainset Spacer Kit

£16.99

Was £17.99 | Save £1.00 (6%)

Buy

Shimano

XT M8100 12-Speed Cassette

£129.99

Was £159.99 | Save £30.00 (19%)

Available Sizes

Buy

Shimano

Ultegra R8100 12-Speed Chainring

From £17.99

Was £19.99 | Save £2.00 (10%)

Available Sizes

Buy

Hope Technology

Tech 4 Sram T-Type Shifter Mount

£27.00

Was £30.00 | Save £3.00 (10%)

Available Colours

Buy

BBB

RollerBoys Jockey Wheels - 11T

£14.95

Available Sizes

Buy

Praxis Works

M30 Bottom Bracket - 68mm/73mm BSA With Internal Sleeve

£41.00

Was £45.00 | Save £4.00 (9%)

Buy

Hope Technology

PressFit 41 Bottom Bracket - 30mm

£81.00

Was £90.00 | Save £9.00 (10%)

Buy

Box Components

Four 8-Speed Chain (116 Links)

£16.99

Buy

Praxis Works

M30 30/28 Bearing Service Kit

£22.00

Was £25.00 | Save £3.00 (12%)

Buy

Box Components

Four 8-Speed Single-Shift Gear Shifter

£36.99

Buy

Shimano

Tiagra HG500 10-Speed Cassette

From £31.99

Was £34.99 | Save £3.00 (9%)

Available Sizes

Buy

SRAM

Red E1 AXS DUB Power Meter Crankset

£1080.00

Was £1200.00 | Save £120.00 (10%)

Finance From £18.45/mo

Buy

SRAM

AXS Left Rocker Pod With Discrete Clamp

£135.00

Was £150.00 | Save £15.00 (10%)

Buy

SRAM

Red E1 DUB Direct Mount Crankset

£630.00

Was £700.00 | Save £70.00 (10%)

Finance From £10.76/mo

Buy

SRAM

Eagle C1 Cold Forged Direct Mount X-Sync Chainring (6mm Offset)

£39.00

Was £43.00 | Save £4.00 (9%)

Available Sizes

Buy

SRAM

31.8mm Blip Clamps

£14.00

Was £15.00 | Save £1.00 (7%)

Buy

SRAM

Red E1 Flat Top 12-Speed Chain

£81.00

Was £90.00 | Save £9.00 (10%)

Available Sizes

Buy

SRAM

XG-1290 E1 12-Speed Cassette

From £351.00

Was £390.00 | Save £39.00 (10%)

Finance From £9.59/mo

Available Sizes

Buy

Praxis Works

Doon Carbon Crank Arms

£315.00

Finance From £7.00/mo

Available Sizes

Buy

Praxis Works

Doon Carbon Road Bike Crankset

£450.00

Finance From £7.50/mo

Buy

Cannondale

HollowGram Self-Extracting Crank Arm (2021)

£99.99

Buy

Burgtec

Shimano Crank Bolt

£9.99

Available Colours

Buy

Burgtec

94mm BCD E-Bike Steel Thick Thin Chainring

£53.99

Was £59.99 | Save £6.00 (10%)

Available Sizes

Buy

Burgtec

Oval Cinch Thick Thin Chainring

£44.99

Was £49.99 | Save £5.00 (10%)

Available Sizes

Buy

Box Components

Four 8-Speed Rear Derailleur

£69.99

Buy

Hope Technology

14/12 Tooth Jockey Wheels (Pair)

£41.00

Was £45.00 | Save £4.00 (9%)

Available Colours

Buy

KMC

HL1 Wide Singlespeed Chain - Silver (100 Links)

£22.99

Was £24.99 | Save £2.00 (8%)

Available Sizes

Buy

KMC

React X11 11-Speed Cassette

From £58.99

Was £64.99 | Save £6.00 (9%)

Available Sizes

Buy

BBB

RollerBoys Ceramic Sram Jockey Wheels - 12T

£23.95

Was £39.95 | Save £16.00 (40%)

Available Sizes

Buy

KMC

K1 Narrow Singlespeed Chain - Silver (100 Links)

£15.99

Was £16.99 | Save £1.00 (6%)

Available Sizes

Buy

KMC

Bosch e-Bike Sprocket

From £8.99

Was £9.99 | Save £1.00 (10%)

Available Sizes

Buy

KMC

Shimano e-Bike Sprocket

From £5.99

Available Sizes

Buy

KMC

Shimano Nexus Sprocket

£9.99

Was £10.99 | Save £1.00 (9%)

Available Sizes

Buy

KMC

Bosch G3 Direct Mount Chainring

From £20.99

Was £22.99 | Save £2.00 (9%)

Available Sizes

Buy

KMC

Bosch G4 Direct Mount Chainring

From £22.99

Was £24.99 | Save £2.00 (8%)

Available Sizes

Buy

Race Face

Turbine Crank Arms - 143mm Spindle Size

£219.00

Available Sizes

Buy

Race Face

Turbine Crank Arms - 136mm Spindle Size

£219.00

Available Sizes

Buy

Race Face

Turbine Crank Arms

£219.00

Available Sizes

Buy

Race Face

ERA-E E-Bike Cranks (Arms Only)

£399.00

Finance From £7.76/mo

Available Sizes

Buy

Race Face

ERA Pedal Boot - Pack of 2

£9.95

Available Colours

Buy

Race Face

Direct Mount 12 Speed Wide Offset Chainring

£69.95

Available Sizes

Buy

Race Face

Aeffect 137mm Cranks (Arms Only)

£119.00

Available Sizes

Buy

Orbea

Occam Chainguide Kit (2024)

£18.00

Buy

CeramicSpeed

OSPW RS Alpha Disc Pulley Wheels For Shimano 9250/8150

£514.99

Finance From £7.15/mo

Available Colours

Buy

CeramicSpeed

OSPW RS 5 Spoke Pulley Wheels For Shimano 9250/8150

£469.99

Finance From £7.83/mo

Available Colours

Buy

FSA

BB-6003 T47/68 Bottom Bracket for SRAM Dub Cranks

£55.99

Buy

FSA

BB-6003 BB86/BB386 Evo Bottom Bracket for SRAM Dub Cranks

£60.99

Buy

Scott

Scale Carbon Chainguide (2023)

£30.00

Buy

CeramicSpeed

OSPW X Pulley Wheels For SRAM Eagle Transmission

£516.99

Finance From £7.18/mo

Available Colours

Buy

CeramicSpeed

OSPW RS Alpha Disc Pulley Wheels For SRAM Red/Force AXS

£514.99

Finance From £7.15/mo

Available Colours

Buy

CeramicSpeed

OSPW RS Alpha Disc Pulley Wheels For Shimano 7150 (105)

£514.99

Finance From £7.15/mo

Available Colours

Buy

CeramicSpeed

OSPW RS 5-Spoke Pulley Wheels For SRAM Red/Force AXS

£469.99

Finance From £7.83/mo

Available Colours

Buy

CeramicSpeed

OSPW RS 5-Spoke Pulley Wheels For Shimano 7150 (105)

£469.99

Finance From £7.83/mo

Available Colours

Buy

absoluteBLACK

Road Chain Catcher

£17.99

Available Colours

Buy

Scott

Spark Carbon/Alloy Chain Guide (2023)

£30.00

Buy

FSA

BB-6003 T47/86 Bottom Bracket for SRAM Dub Cranks

£55.99

Buy

Hope Technology

XCR/Tech 3 Sram T-Type Shifter Mount

£27.00

Was £30.00 | Save £3.00 (10%)

Buy

5Dev

T-Type 8-Bolt Direct Mount Chainring

£99.99

Available Colours

Available Sizes

Buy

5Dev

T-Type 3-Bolt Direct Mount Chainring

£99.99

Available Colours

Available Sizes

Buy

5Dev

Spacely 3-Bolt Direct Mount Chainring

£59.99

Available Colours

Available Sizes

Buy

5Dev

e-Bike Specialized Levo SL Crankset

£449.99

Finance From £7.50/mo

Available Colours

Available Sizes

Buy

SRAM

Eagle 12-Speed Powerlock Chain Connector - 4 Pack

£17.00

Available Colours

Buy

Shimano

Dura-Ace FC9000 11-Speed Chainring

From £31.99

Was £34.99 | Save £3.00 (9%)

Buy

Shimano

Dura-Ace R9200 12-Speed Chainring

From £35.99

Was £39.99 | Save £4.00 (10%)

Available Sizes

Buy

SRAM

31.8mm Braze-On Front Derailleur Adaptor - Wide Spacing With Chainspotter Stop (47.5mm Chainline)

£35.00

Buy

Box Components

Two Prime 9-Speed Chain (126 Links)

£29.99

Buy

SRAM

eTap Battery

£51.00

Was £56.00 | Save £5.00 (9%)

Buy

FSA

T47 68mm Road Bottom Bracket - BB386 30mm

£54.99

Buy

Hope Technology

Retainer Ring (110 BCD)

£41.00

Was £45.00 | Save £4.00 (9%)

Buy

Hope Technology

R22 Spiderless Boost Chainring

£50.00

Was £55.00 | Save £5.00 (9%)

Available Colours

Available Sizes

Buy

Shimano

R7101 105 12-Speed Cassette (11-34T)

£62.99

Was £69.99 | Save £7.00 (10%)

Available Sizes

Buy

KMC

X10 Silver/Black 10-Speed Chain (116 Links)

£26.99

Was £29.99 | Save £3.00 (10%)

Available Sizes

Buy

Hope Technology

Press Fit 41 Bottom Bracket (For 30mm Axle)

£54.00

Was £60.00 | Save £6.00 (10%)

Buy

Cannondale

Set Of 5 Chainring Bolts for SI Chainrings

£7.99

Buy

All Mountain Style

Crank Defender

£17.00

Available Colours

Buy

CeramicSpeed

ITA Shimano Bottom Bracket - Coated

£279.99

Was £349.99 | Save £70.00 (20%)

Finance From £8.61/mo

Buy

Box Components

Three Prime 9-Speed Chain (126 Links)

£22.99

Buy

KMC

X12 12-Speed Chain - Silver (126 Links)

£31.99

Was £34.99 | Save £3.00 (9%)

Available Sizes

Buy

Hope Technology

34T Spiderless Oval Boost Retainer Chainring - Silver

£28.00

Was £55.00 | Save £27.00 (49%)

Available Sizes

Buy

Scott

Prowheel Scale Future Pro 32T Crankset (2021)

£90.00

Available Sizes

Buy

SRAM

Rear Derailleur Chaingap Adjustment Gauge - B Gap Tool - Compatible With Eagle 50T/52T

£6.00

Buy

Enduro Bearings

BB86/92 ABEC3 Black Oxide Bottom Bracket bearing Kit (DUB)

£59.99

Buy

Enduro Bearings

BB86/92 Stainless Steel Angular Contact Bottom Bracket Bearing Kit (DUB)

£89.99

Buy

Enduro Bearings

BB86/92 Stainless Steel Angular Contact Bottom Bracket Bearing Kit (30mm)

£89.99

Buy

KMC

Z1eHX Wide EPT Singlespeed Chain - Silver (112 Links)

£17.99

Was £18.99 | Save £1.00 (5%)

Available Sizes

Buy

KMC

Z1eHX Narrow EPT Singlespeed Chain

From £17.99

Was £19.99 | Save £2.00 (10%)

Available Sizes

Buy

KMC

X101 Track Chain (112 Links)

£43.99

Was £47.99 | Save £4.00 (8%)

Available Colours

Available Sizes

Buy

KMC

React X10 10-Speed Cassette

From £40.99

Was £44.99 | Save £4.00 (9%)

Available Sizes

Buy

KMC

e8 EPT 8-Speed E-Bike Chain (122 Links)

£26.99

Was £29.99 | Save £3.00 (10%)

Available Sizes

Buy

KMC

e101 EPT Singlespeed E-Bike Chain (112 Links)

£53.99

Was £59.99 | Save £6.00 (10%)

Available Sizes

Buy

KMC

e1 EPT Singlespeed E-Bike Chain

From £28.99

Was £31.99 | Save £3.00 (9%)

Available Sizes

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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.