Patent ID: 7350797

Claim:
A rear bicycle suspension, comprising: (a) a main frame including a seat riser tube, a down tube, head tube, and a bottom bracket housing having left and right sides; (b) a guide arm bracket and a shock mount attached to the main frame; (c) a pair of swing arm assemblies each one in pivotal attachment on either side of the main frame at a first pivot point and to a bell crank at a second pivot point, the swing arm assemblies in rearward extension from the first and second pivot points to at least one rear swing arm attachment point, and further including a lever arm connected between the first and the second pivot points; (d) a guide arm having first and second ends wherein the first end is in pivotal attachment to the guide arm bracket at a fifth pivot point and the second end extends upward and rearward from the fifth pivot point; (e) wherein the bell crank is pivotally connected between the lever arms at the second pivot point and to the guide arm at a third pivot point; (f) a shock absorbing member in pivotal attachment at one end to the shock mount and at another end at a fourth pivot point to the bell crank; (g) the first pivot is positioned substantially above and forward the bottom bracket; (h) the second pivot point is positioned substantially rearward the first pivot point; (i) the third pivot point is positioned substantially below the second pivot point; (j) the fourth pivot point is positioned substantially forward a vector passing through the first and second pivot points; and (k) the fifth pivot point is positioned above and rearward the first pivot point.