Custom Yamaha R1 Custom by Speedconcepts Yamaha R1 Custom by Speedconcepts SPECIFICATIONS, PRICE & IMAGES Bike Features More Bike Specifications:Kawasaki GPX 250R / ZZR 250 / EX250 NinjaKawasaki Z 400Kawasaki GPz250RT-Bob by Allmond Cycle DesignKawasaki Z 750Ducati 250 SprintYamaha XSR900 Monkeebeast by WrenchmonkeesIcon Sheene Tribute Bike