Can anyone tell if this is a BB30 or standard size BB? I'm thinking it's standard by what looks like external cups but just checking.
@jambon 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.
Can anyone tell if this is a BB30 or standard size BB? I'm thinking it's standard by what looks like external cups but just checking.