microSHIFT Acolyte SpringLock Rear Derailleur - 8 Speed Medium Cage BLK SpringLock Chain Retention MFPN=141-24121 RD Capacity 42T Speed 12

RD Capacity 42T Speed 12 Minimum Cog 10T Maximum Cog 52T Primary Color Red

Rack fender and three sets of water bottle mounts

} Improved ergonomics - lighter lever action and easy shifting

Whether you opt for the Factory Series or the Performance Series

microSHIFT Acolyte SpringLock Rear Derailleur - 8 Speed Medium Cage BLK SpringLock Chain Retention MFPN=141-24121 RD Capacity 42T Speed 12microSHIFT Acolyte SpringLock Rear Derailleur 8 Speed Medium Cage Black SpringLock Chain Retention. The heart of this microSHIFT Acolyte derailleur is the innovative SpringLock system. By pairing a customized linear rate high tension spring and a dual stage activation mechanism weve developed a system that can provide substantial chain security when you need it and can be turned off when you dont. To engage the clutch turn the engagement bolt