This Shimano FC-M9000-1 XTR Race Hallowtech II Crankset is designed for 11-speed XC racing mountain bikes. It has a crankarm length of 175mm and comes with the stock 32t XTR ring, plus a Wolf Tooth 30t 10% Powertrac elliptical chainring option for tighter slower courses with more climbing. This crank employs all of Shimano’s top crank and chainring technologies resulting in a lightweight, durable, and efficient crank that is at home on the race course. The Race crank uses a hollow cavity bonded construction on the left crankarm while the right side uses interchangeable XTR chainrings, making it convertible from 1x to 2x. It has a narrow 158mm Q-factor. 590 grams actual. This crank set came off my wife’s hardtail race bike. These cranks got her to the finish line at the Leadville 100, Lutsen 99er, and many a Chequamegon 40. They are in very good to excellent condition with tons of miles left on them. Chain rides tight and like new on both these rings. Only faults are scuffing on the face of the crank arms from normal use.
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