You are reading a single comment by @TheSpankyWilliams and its replies.
Click here to read the full conversation.
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
@TheSpankyWilliams
^^^^ @sacredheart. Yeah it is std 9 spline shimano fitting. You can run up to 18t at pinch but will need to check that the sprocket doesn't hit the frame. I run a 17/12 with no issues