Cane Creek 110 if you want the best. Otherwise if you want something actually special as in different (available to buy NOS):
@Lolo 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.
Cane Creek 110 if you want the best.
Otherwise if you want something actually special as in different (available to buy NOS):