AA batteries, power monkey e.t.c Google for AA usb battery packs and similar.
I don't know how you are going to get power whilst riding without a dynohub or dynamo, solar panels will not produce enough reliably enough..
@TheBrick(Tommy) 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.
AA batteries, power monkey e.t.c Google for AA usb battery packs and similar.
I don't know how you are going to get power whilst riding without a dynohub or dynamo, solar panels will not produce enough reliably enough..