Patent ID: 7168726
Filing Date: 2007-01-30
Classification: B62K

Abstract:
1. A bicycle frame weighing less than 1.5 Kilograms including an integrated rear shock absorbing assembly, said frame formed as a diamond bicycle frame structure, interconnected head tube, down tube, top tube, seat tube, first and second tubular chainstays, first and second seat stays, a brake bridge at a top of said seat stays connecting said seat stays to one another, and a bottom bracket assembly interconnecting chainstays, down tube and seat tube; said first chainstay being fixedly connected to said first seat stay by a first dropout said; second chainstay being fixedly connected to said second seat stay by a second dropout; at least one elastomer shock absorbing spring member is attached to said brake bridge, and a wishbone attached between the said elastomer and an upper portion of said seat tube, said chainstays being connected to said bottom bracket assembly in an unpivoted manner; at least one sliding bearing located so as to be contained within a portion of said wishbone and at least one shaft attached to the brake bridge and engaging the sliding bearing, with the sliding bearing being an elongated bearing, with an axial length at least 3 times a diameter of the bearing.