bike dimensions
Bike Dimensions. Bikes today come in all sizes and shapes, from rugged mountain bikes to those made for children learning to ride for the first time. Here are just some of the models on sale today. Bike Dimensions: GMC Topkick Dual-Suspension Mountain Bike. The GMC Topkick dual-suspension mountain bike measures 52 x 27 x 7.5 inches. It has a 26-inch full-suspension frame and Zoom CH-386 suspension fork (65 mm travel). The seat post measures 27.2 x 300 mm and the saddle is padded.