Shimano XT M771 10 Speed MTB CassetteEnhanced with Shimano’s Hyperglide technology, this XT mountain bike cassette has sprockets with a close tooth ratio for clean and accurate shifting. It maintains its reliable and precise gear changes even under hard pedalling, such as when you’re attacking a climb. Also, with its chrome-plated finish, this smooth operation lasts much longer than previous models.Reasons to Buy: Hyperglide technology. Clean and accurate shifting. Reliable and precise gear changes. Smoother operation on tough rides.Features: Speed: 10-speed Compatibility: 10-speed MTB rear derailleurs and 10-speed chains Use: MTB High performance 10-speed Dyna-Sys cassette 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 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: 323g (11-34T)Manufacturer Reference Codes: 11-32T: CSM771132; 11-34T: CSM771134; 11-36T: CSM771136A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.