What do you learn from that test? I'm sure there's something, but it's beyond me.
It's like bicycle helmet.
It might help, unless you go more than 4mph.
@edscoble 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.
What do you learn from that test? I'm sure there's something, but it's beyond me.