Capable of handling a 12-46 tooth cassette, this microSHIFT Acolyte 8-speed rear derailleur boasts the innovative SpringLock chain retention system to keep your chain in place over rough terrain.
Features
With a customized linear-rate high-tension spring and dual-stage activation mechanism, SpringLock provides chain security when you need it and can be turned off when you don't
To engage SpringLock clutch, turn the engagement bolt clockwise until it clicks—there's no way to overtighten the bolt
To disengage SpringLock clutch for wheel removal, simply flip the switch
Direct-path cable routing for smooth and responsive shifting
Compatible with 12-42T and 12-46T 8-speed cassettes