Patent ID: 9145185
Filing Date: 2015-09-29
Classification: B62K

Abstract:
1. A bicycle frame comprising: a front part having a bottom bracket; an upper link having a top pivot point and a bottom pivot point, the upper link being pivotally connected to the front part at the top pivot point; a bottom link having a front pivot point and a rear pivot point, the bottom link being pivotally connected to the front part at the rear pivot point; a rear part being pivotally connected to the upper link at the bottom pivot point, and the bottom link and the rear part are pivotally connected to each other at the front pivot point; and a shock absorber including a front connecting point and a rear connecting point, the shock absorber is pivotally connected to the rear part at the rear connecting point, and the front part and the shock absorber are pivotally connected to each other at the front connecting point, wherein during the shock absorber change of length, an instant center of rotation of the rear part relative to the front part stays in front of the bottom bracket.