The DEORE XT M8000 rear derailleur features Shimano's optimized SHADOW RD+ technology with a shallow angle and extremely low profile design, reducing shift effort and improving chain stability, resulting in sharp and silky gear changes. Meanwhile new high efficiency pulleys adapted for cross-chain riding feature a taller tooth profile for improved shifting.
Shimano XT front hub with Centerlock brake disc mount, oversize axle for better stiffness and labyrinth seals.
Contrary to the FH-M8010 with an over locknut distance of 142 mm, the FH-M8010-B is Boost standard with 148 mm over locknut distance.
Axle diameter: 15 mm (for 12 mm thlru axle)
Material: aluminum, steel
Weight supplement: manufacturer's specification