Shimano Deore M5100 2 x 11 Speed Boost Chainset - 26 / 36TShimano Deore M5100 2 x 11 Speed Boost Chainset 26 36T Ready for the steep stuff, the fast stuff, as well as the fun stuff, this 11 speed MTB crankset gives you powerful acceleration and smooth shifting performance. It features a hard wearing forged alloy crank arm construction, which allows it to handle all the abuse that's associated with all day epics in the mountains. Shimano has also kitted out this model with a HollowTech II integrated bottom