You are reading a single comment by @pharoahsanders 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.
@pharoahsanders
Interesting and I suspect in the past six years since those studies solar efficiency gains have driven that payback down even further.