



JT Sprockets JTF511.15RB — steel noise-reducing sprocket designed for 520 transmissions. Whether for a routine replacement or to modify the gearing, this 15-tooth sprocket fits on both Cross and Roadster drivetrains. Robust construction and steel finish make it suitable for regular use on the road as well as off-road.
The JT sprocket is easy to install as a direct replacement and is aimed at riders who want to maintain a reliable transmission. Its SMC420 steel construction provides good wear resistance, while the CNC machining ensures a consistent tooth profile for clean engagement with the 520 chain.
Common compatibilities (examples):