You are reading a single comment by @skydancer and its replies.
Click here to read the full conversation.
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.
skydancer
Oliver Schick
Bicycle helmets reduce risk of serious head injury by nearly 70%, study finds.