Listing header image

Components

Filters (1)
Clear all Show 60 of 132

Shimano

Ultegra HG800 11-Speed Cassette

£85.99  
Was  £94.99   | Save  £9.00   (9%)
Available Sizes

Shimano

105 R7000 11-Speed Cassette

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

SRAM

XG-1290 E1 12-Speed Cassette

From  £351.00  
Was  £390.00   | Save  £39.00   (10%)
Finance From £9.59/mo
Available Sizes

KMC

React X11 11-Speed Cassette

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

Shimano

XT M8100 12-Speed Cassette

£129.99  
Was  £159.99   | Save  £30.00   (19%)
Available Sizes

Shimano

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

£62.99  
Was  £69.99   | Save  £7.00   (10%)
Available Sizes

Shimano

Ultegra R8000 11-Speed Cassette

From  £74.99  
Was  £84.99   | Save  £10.00   (12%)
Available Sizes

KMC

React X10 10-Speed Cassette

From  £40.99  
Was  £44.99   | Save  £4.00   (9%)
Available Sizes

Box Components

Four 8-Speed Cassette - 11-42T

£59.99
Available Sizes

Box Components

Two Prime 9-Speed Cassette Lockring

£15.99
Available Sizes

Box Components

Two DH 7-Speed Cassette

£59.99
Available Sizes

Box Components

Three Prime 9-Speed Cassette

From  £79.99
Available Sizes

Tektro

ED-9 9 Speed Cassette 11-46T

£80.00
Available Sizes

Tektro

ED-8 8 Speed Cassette 11-42T

£69.99
Available Sizes

Box Components

Two Prime 9-Speed E-Cassette - 12-50T

£114.99
Available Sizes

Box Components

Two Prime 9-Speed Cassette - 11-50T

£114.99
Available Sizes

Box Components

Three Prime 9-Speed E-Cassette

From  £79.99
Available Sizes

Box Components

Four 8-Speed E-Cassette - 12-42T

£59.99
Available Sizes

Shimano

Tiagra HG500 10-Speed Cassette

From  £31.99  
Was  £34.99   | Save  £3.00   (9%)
Available Sizes

Shimano

R8101 Ultegra 12-Speed Cassette

£119.99
Available Sizes

Orbea

MAHLE X35 Cassette Lockring Magnet

£44.00
Available Sizes

SRAM

XPLR PG-1231 12 Speed Cassette - 11-44

£135.00
Available Sizes

SRAM

Eagle XG-1295 12-speed Cassette - 10-50T

£387.00
Finance From £7.52/mo
Available Sizes

SRAM

T-Type Eagle XS-1275 12 Speed cassette - 10-52T

£270.00
Finance From £7.50/mo
Available Sizes

Shimano

LG400 10-Speed CUES Link Glide Cassette

From  £49.99
Available Sizes

TRP

EVO 12 Cassette (10-52T)

£400.00
Finance From £7.78/mo
Available Colours
Available Sizes

Hope Technology

Trial/Singlespeed Freehub Spacer Kit

£12.00

Shimano

105 R7100 12-Speed Cassette (11-34T)

£62.99  
Was  £69.99   | Save  £7.00   (10%)
Available Sizes

Shimano

LG300 10-Speed Cassette

From  £44.99
Available Sizes

Shimano

LG400 9-Speed Cassette

From  £29.99
Available Sizes

Shimano

LG300 9-Speed Cassette

From  £24.99
Available Sizes

Shimano

Acera HG201 9-Speed Cassette

£25.99  
Was  £27.99   | Save  £2.00   (7%)
Available Sizes

SRAM

PG-1230 NX Eagle 12 Speed Cassette (11-50t)

£88.00  
Was  £110.00   | Save  £22.00   (20%)

Shimano

Ultegra R8100 12-Speed Cassette

£94.99  
Was  £119.99   | Save  £25.00   (21%)
Available Sizes

SRAM

XS-1299 T-Type Eagle Cassette - 10-52T

£581.00  
Was  £645.00   | Save  £64.00   (10%)
Finance From £9.92/mo

SRAM

XS-1297 T-Type Eagle Cassette - 10-52T

£531.00  
Was  £590.00   | Save  £59.00   (10%)
Finance From £9.07/mo

SRAM

XG-1295 T-Type Eagle Cassette - 10-52T

£387.00  
Was  £430.00   | Save  £43.00   (10%)
Finance From £9.25/mo

Shimano

Ultegra 6700 10-Speed Cassette

£67.99  
Was  £74.99   | Save  £7.00   (9%)
Available Sizes

SRAM

PG1130 11-Speed Cassette

From  £63.00  
Was  £69.00   | Save  £6.00   (9%)
Available Sizes

Shimano

HG50 8-Speed Cassette

From  £20.99  
Was  £22.99   | Save  £2.00   (9%)
Available Sizes

SRAM

XG-1299 Eagle 12-Speed Cassette - 10-52T

£408.00  
Was  £453.00   | Save  £45.00   (10%)
Finance From £9.76/mo
Available Colours
Available Sizes

Shimano

Cues LG700 11-Speed Cassette

£116.99  
Was  £129.99   | Save  £13.00   (10%)
Available Sizes

Shimano

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

£76.99  
Was  £84.99   | Save  £8.00   (9%)
Available Sizes

SRAM

XG-1290 Red AXS Cassette

£323.00  
Was  £358.00   | Save  £35.00   (10%)
Finance From £8.83/mo
Available Sizes

SRAM

PG1030 10-Speed Cassette

£56.00  
Was  £62.00   | Save  £6.00   (10%)
Available Sizes

SRAM

PG950 9-Speed Cassette

£33.00  
Was  £36.00   | Save  £3.00   (8%)
Available Sizes

SRAM

PG850 8-Speed Cassette

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

SRAM

PG1070 10-Speed Cassette

£82.00  
Was  £91.00   | Save  £9.00   (10%)
Available Sizes

SRAM

PG970 9-Speed Cassette

From  £41.00  
Was  £45.00   | Save  £4.00   (9%)
Available Sizes

SRAM

XG-899 E-Block X-Glide 8-Speed Cassette - 11-48T

£432.00  
Was  £480.00   | Save  £48.00   (10%)
Finance From £8.86/mo
Available Sizes

SRAM

XX1 XG1199 11-Speed Cassette - 10-42T (Fits XD Driver Body)

£353.00  
Was  £392.00   | Save  £39.00   (10%)
Finance From £9.65/mo
Available Sizes

SRAM

PG1050 10-Speed Cassette

£69.00  
Was  £76.00   | Save  £7.00   (9%)
Available Sizes

Shimano

Sora HG50 9-Speed Cassette (12-25T)

£31.99  
Was  £34.99   | Save  £3.00   (9%)
Available Sizes

Shimano

XTR 9001 11-Speed Cassette (11-40T)

£260.99  
Was  £289.99   | Save  £29.00   (10%)
Finance From £8.92/mo
Available Sizes

Shimano

Deore M5100 11-Speed Cassette

From  £54.99  
Was  £64.99   | Save  £10.00   (15%)
Available Sizes

SRAM

Force AXS XG-1270 D1 12-Speed Cassette

£144.00  
Was  £179.00   | Save  £35.00   (20%)
Available Sizes

SRAM

XG1150 11-Speed XG Cassette -10-42T

£129.00  
Was  £151.00   | Save  £22.00   (15%)
Available Sizes

Gusset

1-ER Singlespeed Converter With 16 & 18T Cogs

£19.99

Shimano

Deore M6100 12-Speed Cassette

£84.99  
Was  £99.99   | Save  £15.00   (15%)
Available Sizes

Shimano

Deore M4100 10-Speed Cassette

From  £42.99  
Was  £49.99   | Save  £7.00   (14%)
Available Sizes

Welcome to our full range of quality bike parts and components here at Westbrook Cycles. Whether you're looking to carry out a simple upgrade, or completely kit-out your favourite cycle; we offer all of the parts and specialised bike components you'll need to see the job through.

Bikes are as simple or as complicated as you want to make them, for the casual rider, there might only be a handful of bike components which are given much thought at all; whereas the serious roadie will look to optimise each intricate mechanism and part to get the absolute maximum potential out of the bike. Switching out the bigger components, such as the wheels, frames and saddle will likely have the most appreciable impact on the look, feel and performance of the bike. If you’re looking for an immediate difference maker, and don’t want to invest in a new bike, we’d recommend upgrading stock parts with quality bike components.

We’ve got one of the widest ranges of bike parts and components available anywhere online, and if you’re looking for replacement bike parts, Westbrook Cycles has it all - from drivetrain, groupset and mech parts to handlebars, specialised pedals, seatposts/seatpost spares and lightweight forks.

Upgrading your bike is one of the most enjoyable aspects of cycling, and with thousands of video tutorials online and a massive selection of bespoke components from the biggest brands in the industry, there’s no reason not to give it a try. We’ve got the latest bike components from Hope Technology, Cannondale and more. Of course if a task does get a little out of hand and you’re scratching your head trying to piece your cassette back together, head on down to see a professional & have your new bike components fitted professionally.

One of the most important and popular categories of products is our mountain bike & road bike transmission spares and components, this range encompasses everything a rider needs to bring their bikes transmission back to running perfectly, and this range includes cassettes, bottom brackets, chain rings and derailleurs.

Lastly, and possibly most importantly is a good set of tyres. This is (hopefully) the only part of the bike in contact with the ground so it is important that you have a set of tyres that you can trust and feel confident in. Our selection of road, MTB, cyclocross and gravel bike tyres are sure to give you the confidence you need to push your performance, or just give that extra layer of puncture protection.