You are reading a single comment by @badtmy 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.
@badtmy
yeah the iPhone doesn't store maps locally so it's constantly downloading map info as well as pulling a GPS signal. so you've got a couple of radios cranking along at once, which does murder your battery life.
someone needs to hook up a dynamo system to charge your iphone while you ride.
edit: something like this perhaps ;) http://www.treehugger.com/files/2007/01/motorolas_bike.php