Shimano XTR FC-M9100 Electronic Upgrade a patented technology designed to

a patented technology designed to mitigate against rotational forces transmitted to the brain during certain angled impact scenarios

Chain Ring X-Sync 2 Direct Mount Eagle Lunar Grey

For 140 or 160mm rotors

classic Ribbed design provides improved vibration dampening

Versatile enough to wear on or off the bike

Shimano XTR FC-M9100 Electronic Upgrade a patented technology designed toXTR M9120 12 speed crankset Fits Boost and non Boost MTB Hollow forged crank maximizes power transfer while limiting weight Pre load adjustment integrated in left crank arm Direct mount chainring type Q factor : 162mm Chainline : 52mm Weight: 531g (w 32T chainring, not included) Attributes BB Inclusion No BCD Direct Mount Shimano Chainline 52mm Crank Spindle Diameter 24mm Crankset Material Aluminum Crankset Weight 516g Drivetrain Spacing MTB Boost