Description
Trek Boone 9 Disc 54cm Bike 2016 wolf tooth Cannondale Scalpel Si Carbon 3 Cannondale Scalpel Si Carbon 3 Mountain Bike 2018 Compatible with Shimano road Dual Control Levers Gravel tuned clutch tension provides smooth and reliable mixed surface shifting Toggle clutch on off to match the terrain For 1x and 2x drivetrains