The Shimano FC-M770 XT MTB Crankset features HollowTech-II (HT2) technology with an outboard bearing bottom bracket for optimized rigidity and weight reduction. It features:
Teeth: 22/32/44
Speed: 9 spd
Fits both 68/73mm shells with included spacers
Carbon-composite reinforced steel middle chainring with anodized alloy outer/inner chainrings for increased durability and Hyperdrive pin/ramp design for shifting performance
Hollow-forged Duraluminum crankarm with 4-arm chainring interface
Includes 4-bolt 22/32/44t (M770) chainrings and BB set for 50mm chainline (135mm rear spacing)
Hollowtech II design maximizes stiffness while keeping weight to a minimum
