Very well suitable for stock chassis with Twin shock absorbers. e.g. SUZUKI GSX-R750/1100 etc. And of course for special suspension systems such as RAU, BIMOTA, MARTIN, BAKKER, EGLI with mono shock absorbers. We, the BIKE SIDE team, have installed this racing seat ourselves on our RAU-Racer and put it through its paces. The seat is made of GRP and comes unpainted with a TÜV material certificate. total length: 770mm, width ( widest point on shock absorber attachment): 310mm, height: 230mm. Weight: 1300 gr.