Beta 450 RX vs Sherco 300 SEF Factory
Side-by-side comparison of the Beta 450 RX and Sherco 300 SEF Factory — weight, seat height, power, fuel capacity, suspension, and price for riders making a real buying decision.
Quick answer
Choose the Beta 450 RX if you want Beta's feel and the 449cc 4-stroke engine character. Choose the Sherco 300 SEF Factory if you prefer Sherco's package and the 304cc 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
Sherco 300 SEF Factory
About 1.9 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
Sherco 300 SEF Factory
9.8 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 | Sherco 300 SEF Factory |
|---|---|---|
| Brand | Beta | Sherco |
| Displacement (cc) | 449.3 | 303.68 |
| Engine stroke | 4 | 4 |
| Power (HP) | — | — |
| Torque (Nm) | — | — |
| Weight (kg) | 103.9 | 102 |
| Seat height (mm) | 945 | 950 |
| Fuel capacity (L) | 6.8 | 9.8 |
| Gears | 5 | 6 |
| Start type | Electric | Electric |
| Front suspension | 48 mm KYB AOS closed cartridge fork | 48mm KYB closed-cartridge fork |
| Rear suspension | KYB 50mm body with adjustable rebound and high/low speed compression | 50mm KYB shock absorber |
| Frame | Molybdenum steel / Double Cradle | Semi-perimeter high-strength chrome-molybdenum steel |
| Front brake | 260 mm floating rotor | 260 mm disc brake |
| Rear brake | 240 mm rotor | 220 mm disc brake |
| Clutch | Hydraulic, adjustable diaphragm multi-plate clutch | Brembo hydraulic, multi-disc in oil bath |
| Price (EUR) | 10999 | 12099 |
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.
Sherco 300 SEF Factory
Full specs →The Sherco 300 SEF Factory is a championship-winning enduro motorcycle, renowned for its agile handling and a versatile, potent 4-stroke engine.
Common questions
Is the Beta 450 RX better than the Sherco 300 SEF Factory?
Neither is strictly better. The Beta 450 RX is a 449cc 4-stroke Beta, while the Sherco 300 SEF Factory is a 304cc 4-stroke Sherco. The right choice depends on terrain, ergonomics, and dealer support more than headline specs.
Which is lighter, the Beta 450 RX or the Sherco 300 SEF Factory?
Listed weights are 103.9 kg for the Beta 450 RX and 102 kg for the Sherco 300 SEF Factory. Always verify with the manufacturer for your model year.
Related comparisons
Compare
KTM 450 SX-F vs Beta 450 RX: Spec & Rider Comparison
Compare
KTM 450 SX-F vs Sherco 300 SEF Factory: Spec & Rider Comparison
Compare
Beta 450 RX vs Ducati Desmo450 MX: Spec & Rider Comparison
Compare
Sherco 300 SEF Factory vs Ducati Desmo450 MX: Spec & Rider Comparison
Compare
KTM 350 SX-F vs Beta 450 RX: Spec & Rider Comparison
Compare
KTM 350 SX-F vs Sherco 300 SEF Factory: Spec & Rider Comparison
Compare a different pair
Build your own comparison