Shimano is the leader when it comes to innovation and the redesigned Deore XT CS-M770 9-speed mountain bike cassette is no exception. With great durability, lightweight design and pins on the backside of the tallest cog, you'll have everything you need to tackle the off-road MTB trail or an all-mountain escape with confidence. Hyperglide sprocket design ensures fast and positive shifting Aluminum carrier supports the chrome plated steel cogs at their outer circumference to reduce weight while increasing rigidity and stiffness Backside pins on the tallest cog prevent the chain from wedging in between the spokes and cogs in the event of an over shift
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