Latch on to legendary XTR stiffness, precision, quality and reliability in a lighter, double chainring configuration. Shimano's CloseStep race double crankset is crafted from hollow-forged Duraluminum with integrated spider design and reliable steel axles. You get consistently crisp, smooth and precise shifts no matter how hard you're pushing or how rough the trail.
CloseStep trail-tuned gearing makes shifts feel more fluid so it's easier to maintain your cadence
New Dyna-Sys 10-speed technology and Dual Spike chainring technology, giving you super crisp, super smooth shifts every time
The 38/26T gear combination gives you lower gears that are ideal for powering up steep climbs and picking your way through tight, technical terrain
HollowTech II crankarms shave precious grams without sacrificing rigidity