2025 Beta 450 RX

RedNew Motorcycles



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In 2024, Beta launched the 450 RX model that would show off the talents of the engineering team based in Florence, Italy. The 450 RX 4 stroke had been tested in the prestigious MXGP class for more than three years as a factory prototype model. The production version of this prototype was very well received by riders as well as the media. The 2025 RX model continues the Beta Rideability mission in Motocross. Rideability is the smoothness, ease of handling, and overall comfort experienced on a Beta Motorcycle. It encompasses factors such as throttle response, suspension performance, ergonomic design, and stability all contributing to a seamless ad enjoyable riding experience. Rideability is the perfect balance of power and agility that provides riders with confidence inspiring control and effortless maneuverability, resulting in a gratifying ride, no matter the conditions.

The 2025 450 RX model received updates bringing it closer to perfection than ever. Updates to sharpen the model’s weapons, ready to do battle on MX tracks throughout the USA. An even-stronger rear aluminum subframe, suspension upgrades, as well as a more powerful lithium battery are just a few.

Features: Updated rear subframe that has been reinforced to add stiffness and strength in key areas, updated valving in the rear shock for better overall performance, new lithium battery to ensure quick starts, 51 tooth rear sprocket for quicker spin-up of the power delivery, XTrig FlexFix handlebar mounts, larger rear axle diameter to reduce flex and provide better durability, five speed transmission, upgraded footpegs with enhanced grip and less bulk, updated engine mapping with latest setting tested by Beta race team, MAP switch and tractional control to adjust power delivery, three throttle pulleys with different ratios come standard with the 450 RX to allow riders to configure settings to their liking, electric starter, and easy access air filter box.

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2025 Beta 450 RX

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Due to continued challenges across supplier networks as well as increasing logistics costs, product pricing, freight charges, specifications, and features are subject to change at any time without prior notice. Please confirm all information with your local dealership.

Images, where available, are presented as reasonable facsimiles of the offered unit and/or manufacturer stock images. Non-standard options or features may be represented. No guarantee of availability or inclusion of displayed options should be inferred; contact the dealer for more details.