Beta unveils 300 RX two-stroke motocross model - MotoOnline.com
Beta USA - Bringing Rideability to Motocross - The 2023 Beta 300 RX The 300 RX continues to send shockwaves through the motocross market. An engine package that Motocross Action magazine quoted
Betamotor Motocross Team 2023 - Betamotor S.p.A.
450cc Beta Motocross Bike! 2023 Beta 450 RX 4-Stroke walk around! Pre-production: Only 1 of 10 built - YouTube
MXA RACE TEST: THE REAL TEST OF THE 2021 BETA 300RX MOTOCROSS - Motocross Action Magazine