I'm sure the only reason nobody uses them for road racing is that the bent tube is not UCI legal for mass start road races
Aren't they? Then how did this get through? I don't know enough about UCI stuff to know whether the ISD team raced under them, but that looks like a bendy seat tube to me.
@ewanmac 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.
Aren't they? Then how did this get through?
I don't know enough about UCI stuff to know whether the ISD team raced under them, but that looks like a bendy seat tube to me.