Beta RR 50 Eduro ALU - Specifications & Review

RR 50 Eduro ALU

Article Complete Info

Articleid314151
CategoryEnduro-offroad
MakeBeta
ModelRR 50 Eduro ALU
Year2007

Chassis, Suspension, Brakes & Wheels

FrametypeAluminium perimetric plate
FrontbrakesSingle disc
Frontbrakesdiameter260 mm (10.2 inches)
FrontsuspensionHydraulic USD fork with ø38 mm shaft with compression damping system
Fronttyre90/90-21
Frontwheeltravel38 mm (1.5 inches)
RearbrakesSingle disc
Rearbrakesdiameter200 mm (7.9 inches)
RearsuspensionHydraulic monoshock ø14 mm with rebound - compression damping and spring preload
Reartyre110/80-18
Rearwheeltravel14 mm (0.6 inches)

Engine & Transmission

Borexstroke40.3 x 39.0 mm (1.6 x 1.5 inches)
ClutchWet multi-disc clutch - hydraulic control
Compression12.0:1
CoolingsystemLiquid
Displacement49.70 ccm (3.03 cubic inches)
EnginedetailsSingle cylinder, two-stroke
FuelsystemCarburettor. Dell´Orto PHBN 12 FS
Gearbox6-speed
IgnitionElectronic Ducati 12V - 85W
LubricationsystemMixing with mechanical pump, fuel 1,5% (with synthetic oil)
TransmissiontypefinaldriveChain

Physical Measures & Capacities

Dryweight85.0 kg (187.4 pounds)
Fuelcapacity7.00 litres (1.85 gallons)
Groundclearance335 mm (13.2 inches)
Overallheight1,210 mm (47.6 inches)
Overalllength2,070 mm (81.5 inches)
Overallwidth860 mm (33.9 inches)
Reservefuelcapacity1.00 litres (0.26 gallons)
Seatheight935 mm (36.8 inches) If adjustable, lowest setting.

About Beta

Country of Origin: Italy
Founder: Giuseppe Bianchi & Arrigo Tosi (Betamotor S.p.A.)
Best Known For: Trials and enduro dominance; RR/RS enduros and Evo trials line

Company History

Betamotor began in 1905 building bicycles in Florence and evolved into one of the world’s premier off-road motorcycle makers. The company’s DNA is balance and traction—first in observed trials, where featherweight control and throttle finesse matter, and later in enduro, where day-long reliability meets special-stage speed. Beta’s modern RR/RS enduros are renowned for chassis that communicate clearly, engines with tractable midrange, and suspension valving that works out of the crate for real riders, not just pros. The Evo trials line continues to win at the highest levels, feeding lessons about weight distribution and clutch feel back into the enduro range. Unlike some rivals, Beta embraces rider-scale adjustability—map switches, power valve tweaks, and ergonomic options that let owners tailor bikes without a race truck. Historically, Beta personifies Italian craftsmanship aimed at dirt: elegant castings, tidy looms, and field-friendly service. Club racers and trail riders praise how Betas turn fatigue into flow; the bikes reward precise inputs yet forgive mistakes. In a category where specs are loud, Beta’s quiet confidence—how the bike feels between trees—has built a fiercely loyal following.

Other Years

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