I changed from bb5 to bb7.
Power are noticeable due to ease of set-up.
@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.
I changed from bb5 to bb7.
Power are noticeable due to ease of set-up.