Beta USA is proud to announce an additional 2025 model to their impressive line-up, the 450 RC. The 2025 450 RC is a model that we have received many emails from customers asking us to build. Based from the success of the 450 RX Motocross model, the 450 RC shares the same proven and durable platform with additional feature added to make the bike a serious off-road race weapon.

The electric start, 5 speed engine provides the power delivery perfect for all-around use, designed for riders who race in the woods on the weekends and hit the moto track during the week, the 450 RC is really a do-all four stroke model. Equipped with an 18″ rear wheel, larger fuel tank, handguards, Race model tank panels, formed plastic skid plate, and an o-ring chain to complete the package.

Features: Chro-Moly single tube frame with aluminum rear subframe, Nissin master cylinders and calipers, high-performance lightweight lithium battery, KYB 48mm closed cartridge front fork with a 50mm KYB rear shock with rising-rate linkage system, electric start, 18″ rear wheel, ignition map switch and traction control to adjust engine power and provide less rear wheel slip, easy pull diaphragm clutch allows rider to adjust the lever feel and progression to their preference.

ENGINE TYPE
BORE
STROKE
DISPLACEMENT
COMPRESSION RATIO
VALVE TRAIN
IGNITION
SPARK PLUG
LUBRICATION
FUEL SYSTEM
CLUTCH
TRANSMISSION
FINAL DRIVE
FRAME
WHEELBASE
SEAT HEIGHT
GROUND CLEARANCE
FOOTREST HEIGHT
DRY WEIGHT
FUEL TANK CAPACITY
FRONT SUSPENSION
REAR SUSPENSION
FRONT WHEEL TRAVEL
REAR WHEEL TRAVEL
FRONT BRAKE
REAR BRAKE
FRONT/REAR RIM
FRONT/REAR TIRE
SPECS
ENGINE TYPE
BORE
STROKE
DISPLACEMENT
COMPRESSION RATIO
VALVE TRAIN
IGNITION
SPARK PLUG
LUBRICATION
FUEL SYSTEM
CLUTCH
TRANSMISSION
FINAL DRIVE
FRAME
WHEELBASE
SEAT HEIGHT
GROUND CLEARANCE
FOOTREST HEIGHT
DRY WEIGHT
FUEL TANK CAPACITY
FRONT SUSPENSION
REAR SUSPENSION
FRONT WHEEL TRAVEL
REAR WHEEL TRAVEL
FRONT BRAKE
REAR BRAKE
FRONT/REAR RIM
FRONT/REAR TIRE
SPECS
450 RC
Single cylinder, 4 –stroke, liquid cooled, 4-valve with electric start.
97mm
60.8mm
449.3cc
13.5:1
Finger followers w/ shim adjustment
Dual-Map Kokusan with Traction Control
NGK LKAR8A-9
Twin Oil Pumps w/Cartridge Filter & Separate Compartments For Engine & Transmission
46mm Throttle Body
Hydraulic, adjustable diaphragm multi-plate clutch
5 Speed
DID drive chain
Molybdenum steel / Double Cradle w/ push button seat and quick air filter access
58.4"
37.2"
13"
16.1"
229 lbs
2.4 US Gallons
48 mm KYB AOS closed cartridge fork, adjustable compression & rebound
KYB 50mm body with adjustable rebound and high/low speed on compression adjustment
12"
11.8"
260 mm floating rotor
240 mm rotor
21" (Front) 18" (Rear)
Maxxis
*Specifications subject to change without notice Additional information on all models including manuals, accessories, and
parts books are available online at www.betausa.com under the support tab
**This model is for competition use only

$ 10,999.00
MSRP

Destination fee $549.00
Download Specs
*This model is for competition use only