Shimano XTR M9100 12-spd Rear Derailleur bulky but you end the day

but you end the day pedaling the city streets

Over four decades

Kit contains

ACCURATE - Measures your power accurately within 2

Not even a factor with BB7’s reliable mechanical performance

Shimano XTR M9100 12-spd Rear Derailleur bulky but you end the dayThe Shimano XTR RD M9100 11 12 speed rear derailleur features an elegant yet aggressive angled design and an attractive anodised aluminium surface. The derailleur feature bigger 13 tooth pulleys and include Shimanos proven Shadow RD+ low profile technology. Shadow RD+ For optimal chain retention. 51t max cog size 13t pulley reduces friction Works with both 12 speed 10 51 and 10 45 teeth cassettes Weight: 240g About Shimano Established in Japan in