SunRace MZ800 12-Speed Shimano Fit 11-51T - Sprocket & Gear
SunRace MZ800 12-Speed Shimano Fit 11-51T - Sprocket & Gear

SunRace MZ800 12-Speed Shimano Fit 11-51T

Regular price £104.50

🚚 FREE Standard UK Shipping on this item
🌍 International Shipping from £5.99

Sunrace MZ800 12 speed wide ratio mountain bike cassette.

Ultimate value-oriented 1 x 12 system with a whopping 51 tooth low gear.

The 11 tooth small ring gives good flat speed and then the 51 tooth low gear eases those steep climbs.

Designed to fit standard Shimano HG freehub bodies.

Features hi-tensile steel sprockets throughout.

11-51 Tooth Ratio : 11-13-15-17-19-21-24-28-33-39-45-51

Finish : Silver with black anodised carrier

Weight : 654g

We ship fast! Our stock levels are updated live and most orders placed before 14:00hrs are shipped same-day (Monday to Friday).

Each product page will show live dispatch times.


  • Standard UK shipping is FREE*.
  • Express shipping options are available on checkout.
  • Unfortunately, we don't offer Click & Collect.


  • Europe standard shipping is £3.99 with an Express option available.
  • We have had to disable shipping to the EU. We hope to be able to resume shipping to more EU destinations shortly.


  • Australia, United States, Canada, Japan and New Zealand is £8.99


*Some exclusions apply.

We offer a no-quibble 30-days refund policy. There's no need to contact us before returning your item(s). Simply send it back to the following address:

Sprocket and Gear (Returns), The Coach House, Bear Lane, Hare Hatch, RG10 9XR, United Kingdom

Be sure to include your order number and reason for return. Sorry, but we can't cover, or contribute to, the cost of the return.


For the full returns/refund policy please click here.


Customer Reviews

No reviews yet