Shimano Crankarms FC-M8120-1 55/148mm XT 1x 12spd Boost seatpost-parts Intuitive and versatile braking keeps

Intuitive and versatile braking keeps your focus on the trail

Mavic and Shimano

Deep cuff overlaps with sleeve

14G / 15G / Mavic M7 / Shimano® 4

concave design

Shimano Crankarms FC-M8120-1 55/148mm XT 1x 12spd Boost seatpost-parts Intuitive and versatile braking keepsFEATURES Superior chain retention Special MTB gear teeth profile improves chain engagement and retention DYNAMIC CHAIN ENGAGEMENT+ Rigid and lightweight design for aggressive trail riding Hollow forged crank maximizes power transfer while limiting weight HOLLOWTECH II Q factor: 178 mm Chainline: 55 mm Weight: 616 g (28T), 630 g (30T), 628 g (32T), 642 g (34T), 660 g (36T)