Planning a multi-state tour or just a short cruise to the fro yo place? Clip your iPhone onto your bike with ease and enjoy the ride.This case/mount has been road tested for hundreds of miles and is on it\'s fourth major revision. (All are included in the sketchup file for historical purposes.)It fits the 3G or 3GS snugly. Anyone care to mod it for the iPhone 4?No iPhone? Check out parkolay's HTC EVO case ( http://www.thingiverse.com/thing:4461 ) that fits this mount!