You are reading a single comment by @hippy and its replies.
Click here to read the full conversation.
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.
hippy
It all seems moot since gas flow isn't restrictive on aerobic performance anyway, it's not like an engine where a judicious application of the porting tool will gain you a bunch of extra horses.