Unless I misunderstood him, he presented the left arm of a used Campag crank and show how the dimple matched the shape of the crank.
@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.
Unless I misunderstood him, he presented the left arm of a used Campag crank and show how the dimple matched the shape of the crank.