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's a bigger version of the (super)capacitor that's added to the original prototype D1. It smooths the incoming pulses from the dynamo at low speed.