I thought for the UCI Record you had to use a steel bike, that is made of carbonfibre tubing.
It doesn't specify material, it just has to be round cross section and not less than 25mm diameter on the main tubes
@gbj_tester 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.
It doesn't specify material, it just has to be round cross section and not less than 25mm diameter on the main tubes