Beta 450 RX vs Ducati Desmo450 MX

Side-by-side comparison of the Beta 450 RX and Ducati Desmo450 MX — weight, seat height, power, fuel capacity, suspension, and price for riders making a real buying decision.

Choose the Beta 450 RX if you want Beta's feel and the 449cc 4-stroke engine character. Choose the Ducati Desmo450 MX if you prefer Ducati's package and the 450cc 4-stroke platform. Specs are close in many areas — what matters most is terrain, ergonomics, and dealer support.

Who wins for which rider

Rider-need verdicts. The right pick depends on what you actually ride and how you ride it.

Lighter weight for technical terrain

Beta 450 RX

About 0.1 kg lighter on the spec sheet, which matters in tight, technical riding.

Seat height confidence

Beta 450 RX

Lower listed seat height (945 mm) helps shorter riders flat-foot at stops.

Longer rides without refuelling

Ducati Desmo450 MX

7.2 L tank gives more range between fuel stops.

Better value on price

Beta 450 RX

Lower listed price at €10,999.

Side-by-side specs

Spec	Beta 450 RX	Ducati Desmo450 MX
Brand	Beta	Ducati
Displacement (cc)	449.3	449.9
Engine stroke	4	4
Power (HP)	—	60
Torque (Nm)	—	45
Weight (kg)	103.9	104
Seat height (mm)	945	960
Fuel capacity (L)	6.8	7.2
Gears	5	5
Start type	Electric	Electric
Front suspension	48 mm KYB AOS closed cartridge fork	KYB 48 mm AOS closed-cartridge fork, fully adjustable
Rear suspension	KYB 50mm body with adjustable rebound and high/low speed compression	KYB shock absorber, fully adjustable, linkage type
Frame	Molybdenum steel / Double Cradle	Aluminum perimeter frame
Front brake	260 mm floating rotor	Brembo 270 mm disc brake
Rear brake	240 mm rotor	Brembo 240 mm disc brake
Clutch	Hydraulic, adjustable diaphragm multi-plate clutch	Wet multi-disc, hydraulic, Brembo master cylinder
Price (EUR)	10999	12990

What each bike is really like

Beta 450 RX

Full specs →

Beta's first full-size motocross bike, the 450 RX, is engineered for performance with a focus on rideability, making it a strong contender in the MXGP class.

Ducati Desmo450 MX

Full specs →

Ducati’s debut motocross bike, the Desmo450 MX, brings Italian engineering and racing pedigree to the 450cc motocross class, offering cutting-edge technology, light weight, and championship-winning potential.

Common questions

Is the Beta 450 RX better than the Ducati Desmo450 MX?

Neither is strictly better. The Beta 450 RX is a 449cc 4-stroke Beta, while the Ducati Desmo450 MX is a 450cc 4-stroke Ducati. The right choice depends on terrain, ergonomics, and dealer support more than headline specs.

Which is lighter, the Beta 450 RX or the Ducati Desmo450 MX?

Listed weights are 103.9 kg for the Beta 450 RX and 104 kg for the Ducati Desmo450 MX. Always verify with the manufacturer for your model year.