Powertap. Winning the power meter speed change race.
Unless your TT bike has track ends, in which case 3 1/2 weeks is the average time taken to swap over a wheel.
@NotThamesWater 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.
Unless your TT bike has track ends, in which case 3 1/2 weeks is the average time taken to swap over a wheel.