microSHIFT Acolyte 8s Derailleur Short CageDelivering full sized performance in a pint sized package, the Acolyte Super Short derailleur provides a full set of features for off road riding on a platform thats compatible with small wheel sizes down to 20. With the same Springlock chain retention and robust metal construction as the standard sized Acolyte, you can ride Super Short as hard as you want, no matter how tall you stand. Innovative SpringLock chain retention keeps chain in place over