Shimano CS-M9100-12 Cassette 10-45T, 12 SPD HYPERGLIDE+

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If we compared Shimano to an animal, it would probably be the komondo dragon. No-- we're not saying it's not graceful like a panther, or graceful like a bird of prey, but rather it illustrates a level of patience known to few other creatures, slowly and methodically planning and stalking for its moment of attack. Their designers took their time calculating all the possibilities when designing Shimano's new 12-speed drivetrain, and it shows the moment you take a look at the new XTR CS-M9100 12-Speed Cassette. With more than one cassette range option, Shimano's 12-speed cassette blows us out of the water, offering both a 10 - 45 tooth range for intensely precise field applications, and the beefier 10-51 that gives you the ultimate lever. bail for tedious climbs up steep fire roads. Unlike other 12-speed groupsets, Shimano builds the CS-M9100 cassette to play well with 1-by and 2-by applications, so you don't have to feel limited to a gear range that doesn't suit you optimally. . Both cassettes are built to pair with Shimano's Microspline freehub interface, allowing room for that extra 10-tooth cog. When it comes to ramp, we have to say that Shimano's 12-speed cassette pushed far beyond our expectations. It features Hyperglide+ rear gears with guide ramps on both sides of their surfaces, which is combined with its patented chain that is capable of engaging two gears simultaneously during upshifts and downshifts, allowing for faster upshifts that take only a third of the time. from previous non-Hypergide+ groups. The cassette features aluminum external gears, titanium midrange gears, and steel internal gears that are riveted to a cold-forged aluminum beam spider to keep weight to a minimum, while offering the durability you need on the trails. gears that get the most abuse.