Sports Chopper, sports crusier, 3 wheel Engine type: 250cc, air-cooled, single cylinder, 4-stroke Specifications: ... -16d) Rear tires: 3.50-124) Dimensions (L x W x H): 2,250 x 1100 x 1,250mm5) Wheel base: 1,510mm6 ... up-side-down shock absorber12) Aluminum rear swing arm13) Aluminum wheel rim