What category is the 2019 Beta RR 4T 400?

General information
Category	Enduro / offroad
Model	Beta RR 4T 400
Year	2019

Engine and Transmission Specifications
Clutch	Wet multi-disc
Transmission type,final drive	Chain
Gearbox	6-speed
Cooling system	Liquid
Lubrication system	2 oil pumps
Ignition	DC-CDI without trembler with variable ignition timing, Kokusan type.
Fuel control	OHC
Fuel system	Carburettor. Keihin FCR-MX 39
Bore x stroke	89.0 x 64.0 mm (3.5 x 2.5 inches)
Compression	11.0:1
Engine type	Single cylinder, four-stroke
Capacity:	398.00 ccm (24.29 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes diameter	240 mm (9.4 inches)
Rear brakes	Single disc
Front brakes diameter	255 mm (10.0 inches)
Front brakes	Single disc
Rear tyre dimensions	140/80-18
Front tyre dimensions	90/90-21
Rear suspension	Monoshock with progressive compound lever
Front suspension	Hydraulic USD fork with 45 mm shaft
Frame type	Molybdenum steel with double cradle split above the exhaust port

Physical measures and capacities
Reserve fuel capacity	1.00 litres (0.26 gallons)
Fuel capacity	8.50 litres (2.25 gallons)
Wheelbase	1,500 mm (59.1 inches)
Ground clearance	320 mm (12.6 inches)
Overall length	2,270 mm (89.4 inches)
Seat height	940 mm (37.0 inches) If adjustable, lowest setting.
Dry weight	117.5 kg (259.0 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Color options	Red/white
Starter	Electric

Performance Profile & Rider Fit

Best For

Track25%

City20%

Cornering70%

Daily Riding15%

Touring15%

Passenger5%

Rider Profile

Best For	This bike suits intermediate to experienced off-road riders who are comfortable with a tall, aggressive enduro machine.
Purpose	Built as a purebred competition enduro machine, it excels at tackling technical trails, tight woods sections, and demanding off-road terrain.
Rider Fit	The tall 940mm seat height, minimal weight, and firm long-travel suspension demand good rider fitness, leg length, and standing-riding stamina.
Character	It has the light, flickable, high-revving personality of a race-focused single-cylinder enduro bike that rewards active, aggressive riding.
Not Ideal For	It is not a good choice for riders wanting a comfortable commuter, a passenger-friendly bike, or long-distance paved touring.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

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Inseam (optional)

Units

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Feet:

At 940mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2019 Beta RR 4T 400, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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