$10,099.00
Beta USA expands its 2025 lineup with the highly anticipated 450 RC, a model riders have been asking for. Built on the proven foundation of the 450 RX motocross platform, the 450 RC adds off-road–focused features to create a true do-it-all four-stroke race machine.
Designed for riders who split time between woods racing and motocross, the 450 RC delivers smooth, usable power from its electric-start, 5-speed engine. An 18-inch rear wheel, larger fuel tank, handguards, Race model tank shrouds, formed skid plate, and O-ring chain round out a package ready for hard off-road competition.
Chrome-moly single-tube frame with aluminum rear subframe
Nissin master cylinders and calipers
Lightweight high-performance lithium battery
KYB 48mm closed-cartridge fork
KYB 50mm rear shock with rising-rate linkage
Electric start
18″ rear wheel
Ignition map switch and traction control for adjustable power delivery
Easy-pull diaphragm clutch with adjustable feel and progression
The 450 RC blends motocross performance with off-road durability—making it one of the most versatile race-ready four-strokes in Beta’s lineup.
| Specification | 450 RC |
|---|---|
| ENGINE TYPE | Single cylinder, 4-stroke, liquid cooled, 4-valve, electric start |
| BORE | 97mm |
| STROKE | 60.8mm |
| DISPLACEMENT | 449.3cc |
| COMPRESSION RATIO | 13.5:1 |
| VALVE TRAIN | Finger followers w/ shim adjustment |
| IGNITION | Dual-Map Kokusan with Traction Control |
| SPARK PLUG | NGK LKAR8A-9 |
| LUBRICATION | Twin Oil Pumps w/ cartridge filter & separate engine/transmission compartments |
| FUEL SYSTEM | 46mm throttle body |
| CLUTCH | Hydraulic adjustable diaphragm multi-plate |
| TRANSMISSION | 5 Speed |
| FINAL DRIVE | DID drive chain |
| FRAME | Molybdenum steel / Double Cradle w/ push-button seat & quick air filter access |
| WHEELBASE | 58.4″ |
| SEAT HEIGHT | 37.2″ |
| GROUND CLEARANCE | 13″ |
| FOOTREST HEIGHT | 16.1″ |
| DRY WEIGHT | 229 lbs |
| FUEL TANK CAPACITY | 2.4 US Gallons |
| FRONT SUSPENSION | 48 mm KYB AOS closed cartridge fork, adjustable compression & rebound |
| REAR SUSPENSION | KYB 50mm shock, adjustable rebound & high/low speed compression |
| FRONT WHEEL TRAVEL | 12″ |
| REAR WHEEL TRAVEL | 11.8″ |
| FRONT BRAKE | 260 mm floating rotor |
| REAR BRAKE | 240 mm rotor |
| FRONT / REAR RIM | 21″ Front / 18″ Rear |
| FRONT / REAR TIRE | Maxxis |
| MSRP | $10,999.00 |
| NOTE | *This model is for competition use only |
to place order