thought I might be able to get her some fast 28s.
28s on 25mm rims is green on my chart. Since the Hypers already roll pretty well, the big gain from getting an actual road race tyre is likely to be aeros and weight.
25mm internal.
I might test fit a 28 and see what it looks like. They normally come up to ~30mm on my rims.
@hippy 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.
28s on 25mm rims is green on my chart. Since the Hypers already roll pretty well, the big gain from getting an actual road race tyre is likely to be aeros and weight.