US Patent 7909347 Bicycle suspension system employing highly predictable pedalling characteristics

A bicycle rear suspension system that includes a main frame and a rear wheel suspension system, the main frame generally is comprised of a seat tube, a down tube, a top tube, and a head tube. The rear wheel suspension system consists of a first linkage member, a rear wheel swingarm, and a second linkage member. The rear wheel suspension system allows for a preferential linear decrease in rate of chainstay lengthening combined with a preferential linear decrease in rate of acceleration anti-squat with the value of 100% anti-squat occurring at the statically weighted sag point.