Problem Solvers do 10, 13 and 32 mm. You probably want the 32 mm.
Thanks!
@Heldring 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.
Problem Solvers do 10, 13 and 32 mm. You probably want the 32 mm.