The hole is for the valve chae. Without the small hole how do poke a valve through.
Oooh! Thanks!
Why did that not occur to me?!
@ChasnotRobert started
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.
The hole is for the valve chae. Without the small hole how do poke a valve through.