Clocks Go Back 25 October – Light Up Your Ride With Autumn Essentials

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8 Speed

Everything for 8 speed drivetrains in one place, including cassettes, chainsets & cranks and chains from Sram, SunRace and Shimano. Precision-matched parts to keep your groupset running smoothly, whether you're maintaining or upgrading.

Fast, free UK delivery on orders over £50, plus BIKEPARTS+ points with every order.

Shop by typeBar End ShiftersBrake SparesCassette SparesCassettesChain LinksChain SparesChainringsChainsChainsets & CranksDerailleur
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177 products

Shimano CN-HG40 6 / 7 / 8-speed 116 link chain with connecting link BIKEPARTS+
Shimano
Shimano CN-HG40 6 / 7 / 8-speed 116 link chain with connecting link 4.9 · 12 reviews £7.61£19.99−62%
Shimano CN-HG71 chain with quick link 6 / 7 / 8-speed - 116 links BIKEPARTS+
Shimano
Shimano CN-HG71 chain with quick link 6 / 7 / 8-speed - 116 links 4.5 · 4 reviews £13.96£24.99−44%
Shimano CS-HG50 8 speed cassette 11-28T BIKEPARTS+
Add to basket – select size
5 sizes
Shimano
Shimano CS-HG50 8 speed cassette 11-28T 5.0 · 3 reviews £12.49£29.99−58%
Shimano SL-M315-8R shift lever; band on; 8-speed; right hand Sold out
Shimano
Shimano SL-M315-8R shift lever; band on; 8-speed; right hand 5.0 · 1 review £10.59£22.99−54%
Shimano CS-HG50 8-speed cassette BIKEPARTS+
Add to basket – select size
5 sizes
Shimano
Shimano CS-HG50 8-speed cassetteFrom £12.49£29.99−58%
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Sram PC-830 Chain - 7 / 8 speed - Grey BIKEPARTS+
Sram
Sram PC-830 Chain - 7 / 8 speed - Grey 5.0 · 5 reviews £8.64£9.00−4%
Shimano Acera CS-HG41 8-speed Cassette - 11 - 30T BIKEPARTS+
Add to basket – select size
3 sizes
Shimano Acera
Shimano Acera CS-HG41 8-speed Cassette - 11 - 30T 5.0 · 1 review £13.19£27.99−53%
Shimano Acera CSHG31 8 Speed cassette 11/32 or 11/34 BIKEPARTS+
Shimano Acera
Shimano Acera CSHG31 8 Speed cassette 11/32 or 11/34 5.0 · 2 reviews From £9.55£24.99−62%
Shimano Claris RD-R2000 Claris 8-speed rear derailleur; GS BIKEPARTS+
Shimano Claris
Shimano Claris RD-R2000 Claris 8-speed rear derailleur; GS 4.0 · 1 review £24.99£39.99−38%
Shimano HG41 8 Speed 11/32T Cassette CSHG41 BIKEPARTS+
Shimano Acera
Shimano HG41 8 Speed 11/32T Cassette CSHG41 5.0 · 2 reviews £12.34£16.19−24%
Shimano Acera CS-HG41 8-speed cassette BIKEPARTS+
Add to basket – select size
3 sizes
Shimano Acera
Shimano Acera CS-HG41 8-speed cassetteFrom £12.34£27.99−56%
Shimano Acera CS-HG41 8-speed Cassette - 11 - 32T BIKEPARTS+
Add to basket – select size
3 sizes
Shimano Acera
Shimano Acera CS-HG41 8-speed Cassette - 11 - 32T 5.0 · 1 review £12.34£27.99−56%
Shimano Altus FD-M310 8 Speed Conventional Swing Front Derailleur - Multi 28.6/31.8/34.9mm BIKEPARTS+
Shimano Altus
Shimano Altus FD-M310 8 Speed Conventional Swing Front Derailleur - Multi 28.6/31.8/34.9mm£9.45£22.99−59%
Shimano Acera RD-M3020 Acera rear derailleur SGS black 8 speed BIKEPARTS+
Shimano Acera
Shimano Acera RD-M3020 Acera rear derailleur SGS black 8 speed 5.0 · 1 review £18.99£42.99−56%
Shimano CS-HG50 8-speed cassette 11 - 32T BIKEPARTS+
Add to basket – select size
5 sizes
Shimano
Shimano CS-HG50 8-speed cassette 11 - 32T£17.99£29.99−40%
Shimano Acera CS-HG41 8-speed Cassette - 11 - 34T (Megarange) BIKEPARTS+
Add to basket – select size
3 sizes
Shimano Acera
Shimano Acera CS-HG41 8-speed Cassette - 11 - 34T (Megarange) 5.0 · 1 review £12.49£27.99−55%
Shimano Altus FC-M315 chainset 36/22; 7/8-speed; black; 170 mm; without chainguard
Shimano Altus
Shimano Altus FC-M315 chainset 36/22; 7/8-speed; black; 170 mm; without chainguard£27.99£49.99−44%
Shimano CS-HG50 8-speed cassette 11 - 34T
Add to basket – select size
5 sizes
Shimano
Shimano CS-HG50 8-speed cassette 11 - 34T£12.95£29.99−57%
Sram PC-870 Chain - 8 speed - Silver
Sram
Sram PC-870 Chain - 8 speed - Silver 5.0 · 2 reviews £15.08£18.00−16%
Shimano SM-UG51 Quick link for Shimano chain; 6 / 7 / 8-speed; pack of 2 BIKEPARTS+
Shimano
Shimano SM-UG51 Quick link for Shimano chain; 6 / 7 / 8-speed; pack of 2 4.0 · 1 review £3.13£5.99−48%
Shimano Claris FD-R2000 Claris 8-speed front derailleur; double 28.6 / 31.8 / 34.9 mm BIKEPARTS+
Shimano Claris
Shimano Claris FD-R2000 Claris 8-speed front derailleur; double 28.6 / 31.8 / 34.9 mm£20.00£29.99−33%
Shimano Claris RD-R2000 Claris 8-speed rear derailleur; SS BIKEPARTS+
Shimano Claris
Shimano Claris RD-R2000 Claris 8-speed rear derailleur; SS 5.0 · 1 review £20.99£34.99−40%
Shimano Altus ST-EF500 EZ fire plus STI set; 2-finger lever; 3 x 8-speed; black BIKEPARTS+
Shimano Altus
Shimano Altus ST-EF500 EZ fire plus STI set; 2-finger lever; 3 x 8-speed; black 5.0 · 1 review £31.99£44.99−29%
Shimano Altus FD-M310 Altus 8-speed front derailleur; top swing; 42-48T; 66-69 deg BIKEPARTS+
Shimano Altus
Shimano Altus FD-M310 Altus 8-speed front derailleur; top swing; 42-48T; 66-69 deg 4.0 · 1 review £12.49£22.99−46%
Shimano Non-Series Road FC-A070 square taper double chainset 7-/8-speed; 50 / 34T 170 mm w/o chainguard BIKEPARTS+
Shimano Tourney / TY
Shimano Non-Series Road FC-A070 square taper double chainset 7-/8-speed; 50 / 34T 170 mm w/o chainguard 5.0 · 1 review £29.95£79.99−63%
Shimano Altus ST-EF500 EZ fire plus STI set; 2-finger lever; 2 x 8-speed; black BIKEPARTS+
Shimano Altus
Shimano Altus ST-EF500 EZ fire plus STI set; 2-finger lever; 2 x 8-speed; black£35.99£44.99−20%
Shimano FCA073 square taper triple chainset 6/7/8-Speed, 50 / 39 / 30T BIKEPARTS+
Shimano Tourney / TY
Shimano FCA073 square taper triple chainset 6/7/8-Speed, 50 / 39 / 30T 5.0 · 1 review From £33.37£89.99−63%
Shimano CS-HG50 8-speed cassette 11 - 30T BIKEPARTS+
Add to basket – select size
5 sizes
Shimano
Shimano CS-HG50 8-speed cassette 11 - 30T£13.99£29.99−53%
Shimano Claris RD-R2000 8-speed rear derailleur BIKEPARTS+
Shimano Claris
Shimano Claris RD-R2000 8-speed rear derailleurFrom £20.99£34.99−40%
Sram PC-850 Chain - 7 / 8 speed - Grey BIKEPARTS+
Sram
Sram PC-850 Chain - 7 / 8 speed - Grey£12.02£15.00−20%
Shimano Claris FD-R2030 Claris 8-speed front derailleur; triple 28.6 / 31.8 / 34.9 mm BIKEPARTS+
Shimano Claris
Shimano Claris FD-R2030 Claris 8-speed front derailleur; triple 28.6 / 31.8 / 34.9 mm£25.90£29.99−14%
Shimano Nexus SL-S503 Alfine 8-speed right hand Rapidfire - black BIKEPARTS+
Shimano Nexus
Shimano Nexus SL-S503 Alfine 8-speed right hand Rapidfire - black 5.0 · 1 review £29.95£34.99−14%
Shimano Non-Series Road FC-2350/RS200 Road 8 speed inner chainring, 34T, for 50/34T black BIKEPARTS+
Shimano Non-Series Road
Shimano Non-Series Road FC-2350/RS200 Road 8 speed inner chainring, 34T, for 50/34T black£9.99£11.99−17%
Shimano Spares C201 / RM40 8-speed MTB Freehub body BIKEPARTS+
Shimano Spares
Shimano Spares C201 / RM40 8-speed MTB Freehub body 3.5 · 2 reviews £11.49£24.99−54%
Shimano Claris FD-R2000 8-speed front derailleur; 28.6 / 31.8 / 34.9mm BIKEPARTS+
Shimano Claris
Shimano Claris FD-R2000 8-speed front derailleur; 28.6 / 31.8 / 34.9mmFrom £20.00£29.99−33%
Autumn Essentials: lights, mudguards and winter kit for darker, wetter ridesShop the collection
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