Shimano Deore XT 9spd Crank/Bottom Brackets Sets Shimano Deore XT M770 175mm 4Arm Crank 223244 with Bottom Bracket

As Mountain Bikes continue to become more diverse, components must evolve. Shimano Deore XT addresses the needs of today's riders just like it did when it was first introduced back in 1982 as the world's first MTB crank. Carbon compositeSteel composite middle ring adds rigidity for better shifting and increased service life Outboard bearings maximize stability and stiffness Hollowtech II design maximizes stiffness while keeping weight to a minimum Item Specificati