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Halo

0.8mm Cassette Spacer

£1.99
Available Sizes

Shimano

10-Speed E-Bike Chain (138 Links)

£40.99  
Was  £44.99   | Save  £4.00   (9%)

Praxis Works

104 BCD Narrow Wide 1x Chainring

From  £54.00  
Was  £60.00   | Save  £6.00   (10%)
Available Sizes

Praxis Works

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

£32.00  
Was  £35.00   | Save  £3.00   (9%)
Available Sizes

Giant

104BCD Gates Belt Drive Spider And Chainguard For 46T Cog

£39.99

5Dev

104BCD Titanium Chainring

£142.99  
Was  £149.99   | Save  £7.00   (5%)
Available Sizes

Shimano

105 5800 / SLX M7000 11-Speed Chain (116 Links)

£22.99  
Was  £34.99   | Save  £12.00   (34%)

Shimano

105 Di2 R7150 12-Speed Braze-On Front Derailleur

£127.99  
Was  £149.99   | Save  £22.00   (15%)

Shimano

105 FCR7000 11-Speed Chainring

From  £17.99  
Was  £19.99   | Save  £2.00   (10%)

Shimano

105 HG700 11-Speed Cassette

£58.99  
Was  £64.99   | Save  £6.00   (9%)
Available Sizes

Shimano

105 HG710 12-Speed Cassette (11-36T)

£80.99  
Was  £89.99   | Save  £9.00   (10%)
Available Sizes

Shimano

105 R7000 105 11-Speed Front Derailleur

From  £37.99  
Was  £41.99   | Save  £4.00   (10%)
Available Sizes

Shimano

105 R7000 11 Speed Rear Derailleur

From  £49.99  
Was  £54.99   | Save  £5.00   (9%)

Shimano

105 R7000 11-Speed Cassette

From  £53.99  
Was  £59.99   | Save  £6.00   (10%)
Available Sizes

Shimano

105 R7000 11-Speed STI Lever (Right/Front)

£103.99  
Was  £114.99   | Save  £11.00   (10%)

Shimano

105 R7000 2-Speed STI Lever (Left/Rear)

£103.99  
Was  £114.99   | Save  £11.00   (10%)

Shimano

105 R7000 Replacement Jockey Wheels

£10.99  
Was  £11.99   | Save  £1.00   (8%)

Shimano

105 R7020 11-Speed STI Lever

£166.99  
Was  £184.99   | Save  £18.00   (10%)

Shimano

105 R7020 STI Lever With Flat Mount Caliper

£251.99  
Was  £279.99   | Save  £28.00   (10%)

Shimano

105 R7100 12-Speed Crankset

£135.99  
Was  £159.99   | Save  £24.00   (15%)

Shimano

105 R7100 12-Speed Inner Chainring

£15.99
Available Sizes

Shimano

105 R7100 12-Speed Outer Chainring

From  £74.99
Available Sizes

Shimano

105 R7170 Di2 12-Speed STI Lever

£224.99  
Was  £249.99   | Save  £25.00   (10%)

Shimano

105 R7170 Di2 STI Lever With Flat Mount Caliper

£314.99  
Was  £349.99   | Save  £35.00   (10%)
Finance From £8.61/mo

Wolf Tooth Components

107 BCD Sram Aero Chainring - Drop Stop B

£122.00  
Was  £135.00   | Save  £13.00   (10%)
Available Sizes

Shimano

108 RS510 11-Speed Crankset

£125.99  
Was  £139.99   | Save  £14.00   (10%)

KMC

11 Speed DLC Chain (118 Links)

£89.99  
Was  £99.99   | Save  £10.00   (10%)
Available Colours

Hope Technology

11 Tooth Jockey Wheel

£22.00  
Was  £24.00   | Save  £2.00   (8%)
Available Colours

Hope Technology

11 Tooth Jockey Wheels (Pair)

£43.00  
Was  £47.50   | Save  £4.50   (9%)
Available Colours

Shimano

11-Speed E-Bike Chain (138 Links)

£53.99  
Was  £59.99   | Save  £6.00   (10%)

Shimano

11-Speed Quick Link (2 Pack)

£13.99  
Was  £14.99   | Save  £1.00   (7%)

SRAM

11-Speed X-Glide Road Outer Chain Ring 5-Bolt 130BCD

From  £128.00  
Was  £142.00   | Save  £14.00   (10%)
Available Sizes

Praxis Works

110 BCD Narrow Wide 1x Chainring

From  £89.99  
Was  £99.99   | Save  £10.00   (10%)
Available Sizes

Praxis Works

110 BCD Narrow Wide 1x Direct Threaded E-Bike Chainring

£120.00
Available Sizes

Cannondale

119mm Ai Complete Bottom Bracket For SuperX 2017

£109.99

Cannondale

119mm Ai Hollowgram Crank Spindle

£40.49  
Was  £44.99   | Save  £4.50   (10%)

KMC

12 Speed DLC Chain (126 Links)

£89.99  
Was  £99.99   | Save  £10.00   (10%)
Available Colours

Hope Technology

12 Tooth Jockey Wheel

£22.00  
Was  £24.00   | Save  £2.00   (8%)
Available Colours

Hope Technology

12 Tooth Jockey Wheels

£43.00  
Was  £47.50   | Save  £4.50   (9%)
Available Colours

SRAM

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

£16.00  
Was  £17.00   | Save  £1.00   (6%)

Shimano

12-Speed Quick Link (2 Pack)

£13.99  
Was  £14.99   | Save  £1.00   (7%)

Cannondale

125mm Ai Hollowgram Crank Spindle

£40.49  
Was  £44.99   | Save  £4.50   (10%)

Hope Technology

13 Tooth Jockey Wheels (Pair)

£43.00  
Was  £47.50   | Save  £4.50   (9%)
Available Colours

Praxis Works

130 BCD Aero TT Chainrings

From  £169.99  
Was  £189.99   | Save  £20.00   (11%)
Available Sizes

Hope Technology

13T Jockey Wheel

£22.00  
Was  £24.00   | Save  £2.00   (8%)
Available Colours

Hope Technology

14 Tooth Jockey Wheel

£27.00  
Was  £30.00   | Save  £3.00   (10%)
Available Colours

Hope Technology

14/12 Tooth Jockey Wheels (Pair)

£43.00  
Was  £47.50   | Save  £4.50   (9%)
Available Colours

Hope Technology

16/14T Jockey Wheels

£44.00  
Was  £48.00   | Save  £4.00   (8%)
Available Colours

Scott

16T Chainring For E-Spark/E-Aspect (2014) And E-Contessa Scale (2017)

£40.00

Hope Technology

16T Jockey Wheel

£27.00  
Was  £30.00   | Save  £3.00   (10%)
Available Colours

Scott

17T Chainring For E-Aspect/E-Genius/E-Spark (2016)

£45.00

Scott

17T Miranda Delta Boost Sprocket For E-Genius Plus (2016)

£90.00

Renthal

1XR Chainring (104BCD)

From  £57.99  
Was  £63.99   | Save  £6.00   (9%)
Available Sizes

Renthal

1XR Chainring (To Fit Shimano XT/XTR)

£57.99  
Was  £63.99   | Save  £6.00   (9%)
Available Sizes

Halo

1mm Cassette Spacer

£2.49
Available Sizes

FSA

1x12 Alloy Spider For Bosch Gen4 (104 BCD)

From  £29.99  
Was  £32.99   | Save  £3.00   (9%)
Available Sizes

GT Bicycles

2 Bolt ISCG Mount

£34.99

MicroSHIFT

2/3 Speed Left Hand Road Bar End Shifter

£49.99

Gusset

22mm Bottom Bracket Axle Spacer Kit

£5.99
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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.