Beta Alp 4.0 2020 vs. Rieju MRT 50 SM Trophy 2021

Technical Specifications Beta Alp 4.0 2020 compared to Rieju MRT 50 SM Trophy 2021

Beta Alp 4.0 2020

Rieju MRT 50 SM Trophy 2021

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Differences

Beta Alp 4.0 2020

Rieju MRT 50 SM Trophy 2021

Engine and Drive Train

Bore	Bore	79 mm	Bore	40.3 mm
Stroke	Stroke	71.2 mm	Stroke	39 mm
Fuel system	Fuel system	Carburator	Fuel system	Carburator
Starter	Starter	Electric	Starter	Kick
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	2-Stroke
Displacement	Displacement	349 ccm	Displacement	50 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	46 mm	Diameter	40 mm

Suspension Rear

Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock

Chassis

Frame	Frame	Steel	Frame	Steel
Frame type	Frame type	Double cradle	Frame type	Double cradle

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	260 mm	Diameter	300 mm

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	220 mm	Diameter	200 mm

Dimensions and Weights

Front tyre width	Front tyre width	90 mm	Front tyre width	100 mm
Front tyre height	Front tyre height	90 %	Front tyre height	80 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	140 mm	Rear tyre width	130 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	17 inch
Length	Length	2,208 mm	Length	2,070 mm
Width	Width	850 mm	Width	800 mm
Height	Height	1,240 mm	Height	1,145 mm
Wheelbase	Wheelbase	1,444 mm	Wheelbase	1,380 mm
Seat Height	Seat Height	863 mm	Seat Height	870 mm
Fuel Tank Capacity	Fuel Tank Capacity	10.5 l	Fuel Tank Capacity	6.3 l