The Weird, Wonderful World of Pocket Bikes A quick look at the pocket bike phenomenon and what makes these tiny bikes a ton of fun Today we're going to take a look at pocket bikes.

Pocket bikes are miniature motorcycles -- powered, for the most part, ... They have tiny engines -- 47cc or 49cc displacement, less than 1/20th the size of a big motorcycle.

Matamoras, Pa. — Imagine a muffler smaller than a soda bottle. Attach a leaf-blower engine to it. Hit the gas and hear that gravely wheeeeeeeeeeze. It's the squeal of a pocket bike, a pocket ...