The ST is 55.5 c-c, the actual TT is 55 c-c, but I have no idea about the effective lenght of it.
@tomaspuika 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 ST is 55.5 c-c, the actual TT is 55 c-c, but I have no idea about the effective lenght of it.