A frame having rear suspension system for a two-wheel cycle such as a bicycle or motorbike. The suspension system includes a tubular shock absorber whose outer tubular housing is integrated into a cast or machined lower lug. Several of the main frame tubes and the pedal shaft bearings are also mounted...http://www.google.ca/patents/US5435584?utm_source=gb-gplus-sharePatent US5435584 - Cycle rear suspension with shock absorber built into frame lug
