Open port, screw in cup, fill with oil, cover cup with the cap, then squeeze several time, lift and drop bike to bring out bubble, keep it up, bingo.
Got the kit and if you're around SE1 this Saturday.
Hah, I'm booked to build up a friend's bike!
@coventry_eagle started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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Open port, screw in cup, fill with oil, cover cup with the cap, then squeeze several time, lift and drop bike to bring out bubble, keep it up, bingo.