Details:Innovative SpringLock chain retention keeps chain in place over rough terrainTo engage clutch, turn the engagement bolt clockwise until it clicks. Theres no way to overtighten the bolt. To disengage the clutch for wheel removal, flip the switchDirect path cable routing for smooth and responsive shiftingFor use with Acolyte 12-42T and 12-46T 8-speed cassettes
0.46 kilograms