Originally Posted by
RobbieTunes
I do remember restoring an 86 Centurion with Suntour Sprint, and I can't remember if it was indexed or not.
Two versions of Sprint- one was not indexed, the other was.
The early Sprint stuff has the super cool, ultra fine ratcheting shifters. The other is 6/7 speed Accushift.
Easy way to tell looking at the derailleurs- the Accushift Sprint has a cable tension barrel.
Friction:
Index: