PeterG New Member Local time 2:41 PM Joined May 4, 2016 Messages 16 Location Gabriola Island, BC Jul 17, 2016 #1 Anybody know what the official chain offset is on the Grubee GT5A? I've measured it out to 35mm from bike center-line to chain center-line.
Anybody know what the official chain offset is on the Grubee GT5A? I've measured it out to 35mm from bike center-line to chain center-line.