2025 SSR Motorsports R-Series SR125RB

2025SSRMotorsportsSR125RB Get ready to stand out with the 2025 SSR Motorsports SR125RB the big-wheel pit bike engineered for serious style, fun and performance. This 125 cc air- and oil-cooled single-cylinder machine features kick and electric start, a 4-speed manual transmission, and an aggressive setup with 17-inch front / 14-inch rear wheels for big-bike confidence. Built tough with a bold double-bar steel frame, inverted front forks, full disc brakes (220 mm front / 190 mm rear) and an enclosed air-filter system, the SR125RB brings serious pit-bike credentials. With a seat height of 33.8 inches and ground clearance of 13.3 inches, it delivers accessible yet commanding ride feel. Whether you're carving through track, mastering the pit zone or just having fun in style, the SR125RB delivers big-bike attitude in a compact package. Engine Type: Single-Cylinder Displacement: 7.6 cu. in. (125 cc) Bore and Stroke: Bore: 2.13 in. (54 mm); Stroke: 2.13 in. (54 mm) Cooling: Air / Oil Fuel System: Gas Front Suspension: Inverted Fork Front Brakes: Hydraulic Disc Front Tire: 100/70 R17 Rear Suspension: Twin Sided Swing Arm Rear Brakes: Hydraulic Disc Rear Tire: 100/90 R14 Dry Weight: 178 lb. (80.7 kg.) Fuel Capacity: 1.13 gal. (4.3 L) Wheelbase: 51.2 in. (1300.5 mm) Ground Clearance: 13.3 in. (337.8 mm) Seat Height: 33.8 in. (858.5 mm) Transmission: Manual