Beta Rx 4T 450

Beta · 2 model years · 2025–2026

Model Years

2026 Beta Rx 4T 450

Engine: 449.3 cc Weight: 104.5 kg (230.4 pounds) Seat: 945 mm (37.2 inches) If adjustable, lowest setting.

The Beta RX 4T 450 is a competitive 449cc four-stroke motocross bike engineered for serious off-road racers and experienced riders. Its titanium-valved engine delivers aggressive p…

2025 Beta Rx 4T 450

Engine: 449.3 cc Weight: 104.5 kg (230.4 pounds) Seat: 945 mm (37.2 inches) If adjustable, lowest setting.

The 2025 Beta RX 4T 450 is a lightweight trials motorcycle engineered for serious off-road enthusiasts seeking precision and maneuverability on technical terrain. Its compact dimen…

Spec Comparison by Year

Spec	2026	2025
Capacity	449.3 cc	449.3 cc
Dry weight	104.5 kg (230.4 pounds)	104.5 kg (230.4 pounds)
Seat height	945 mm (37.2 inches) If adjustable, lowest setting.	945 mm (37.2 inches) If adjustable, lowest setting.