BETA RX 450 F 2027

Beta’s ultimate expression of 4-stroke power in the cross world has evolved. The RX 450 F features an aggressive red and black livery and updated electronics, with a new control panel integrated into the handlebar guard, to better manage its powerful thrust in all racing conditions. 449,3 CC - Displacement 97 mm - Bore 104,5 kg - Dry weight 335 mm - Ground clearance CHASSIS FRAME - Molybdenum steel with double cradle split above the exhaust port Wheelbase - 1475 mm Max length - 2170 mm Max width - 830 mm Max height - 1270 mm Seat height - 945 mm Ground clearance - 335 mm Footrest height - 422 mm Dry weight - 104,5 kg (front 51,4 kg; rear 53,1 kg) Fuel tank capacity - 7,0 l Cooling system capacity - 1,4 l Front suspension - Hydraulic USD closecartridge fork with ø 48 mm shaft Rear suspension - Monoshock with progressive compound lever Shock absorber stroke - 133 mm Front wheel travel - 305 mm Rear wheel travel - 300 mm Front brake - Wave disc ø260 mm and double-piston floating caliper Rear brake - Wave disc ø240 mm and single-piston floating caliper Front rim - 21 x 1,6 – 36 holes Rear rim - 19 x 2,15 – 36 holes Front tyre - 80/100 – 21 Rear tyre -M110/90 – 19 ENGINE Type - Single cylinder, 2-stroke, liquid-cooled Bore - 97 mm Stroke - 60,8 mm Displacement - 449,3 cc Compression ratio - 13,5:1 Valve train - DOHC finger follower / 4 valve, intake titanium, exhaust steel Starter - Electric starter ACG - Mitsuba Spark plug - NGK LKAR 8A-9 Fuel system - Elldor electronic injection Lubrication - 2 oil pumps Throttle body - Ø 46 mm Clutch - Wet multi-disc clutch Primary drive - Z. 31/72 Transmission - 5 gears Final transmission - Chain Engine oil - SAE 10W/50 0,8 l. + SAE 10W/40 0,8 l.