You are reading a single comment by @AlphaOmega 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.
AlphaOmega
Firstly it's a fork crown not headtube.
The calliper you have is for a non-recessed nut - fitting with an allen key recessed nut will cause this issue.
Just use a similar calliper with hexagon headed nut or a calliper with recessed nut fitting .