Shimano XTR BR-M9100 Disc Brake Caliper - Front Rear Post Mount 2-Piston Includes Metallic Pads MFPN=BV30615 Bottom bracket cups sold separately Size:38 210000173234 MFPN=55050007036 Closure Single SLW3 Dial

Shimano XTR BR M9100 Disc Brake Caliper Front Rear Post Mount 2 Piston Includes Metallic Pads MFPN=BV30615 Bottom bracket cups sold separately Size:38 210000173234 MFPN=55050007036 Closure Single SLW3 Dial Bottom bracket cups sold separately Rings 48 32 Number of Chainrings Double Drivetrain Speeds 12 Chainline Hub Compatibility 135 142 Road Disc Hubs < 415 mm Chainstay Color Carbon Crank Length (mm) 170 Crank Intended Use Road Weight 585 BB Included Other Pedal Spindle 9 16" Spindle Interface Type Campagnolo Ultra Torque Defined Color Carbon keyword search Wonderland Canada Crank Length 170Mm Chainring Sizes 48 32T SwingLink technology gets brake pads to the rotor fast then moderates pressure with smooth modulation