this is why you need a protank 2 + an airflow adapter.
reason is, you just leave the 510 bit permanently screwed on
@ObiWomKenobi 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.
this is why you need a protank 2 + an airflow adapter.
reason is, you just leave the 510 bit permanently screwed on