Thread: help with gearing
View Single Post
Old 10-02-16 | 07:21 AM
  #17  
AlexCyclistRoch's Avatar
AlexCyclistRoch
The Infractionator
 
Joined: Mar 2016
Posts: 2,201
Likes: 3
From: Rochester, NY

Bikes: Classic road bikes: 1986 Cannondale, 1978 Trek

Probably one of those dual BCD "rocket" rings.....
AlexCyclistRoch is offline  
Reply
0