Monday | 9.00am - 5.30pm |
Tuesday | 9.00am - 5.30pm |
Wednesday | 9.00am - 5.30pm |
Thursday | 9.00am - 5.30pm |
Friday | 9.00am - 5.30pm |
Saturday | 9.00am - 5.30pm |
Sunday | 10.00am - 4.00pm |
Bank Holidays | 10.00am - 4.00pm |

Shimano XT M771 10 Speed Cassette 11-32T CS-M771
The Shimano CS-M771 is a high performance 10-speed Dyna-Sys cassette.
Key Features:
- Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
- Close ratio gearing allows a more efficient use of energy through finer cadence control
- Six largest sprockets are mounted on lightweight alloy carriers to reduce weight and increase rigidity
- Sprockets are cut away and drilled to further reduce weight without reducing rigidity
- Chrome-plated finish offers hard wearing resistance to corrosion
- Alloy cassette lockring
- For 10-speed HG-X MTB chains
- Weight: 323 g for 11 - 34T
All UK Mainland Bike Deliveries Over £999 - Free Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).Bike orders under £999 will incur a £20 delivery fee.
Free Delivery On Orders Over £50.00 - When you spend more than £50.00 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.
Click & Collect Orders -Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.
At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged.
Find Out More About Returns >
