OVERVIEW:

It is officially the first four-stroke motocross bike built by Beta, the 450 RX model was designed to carry on the Beta tradition of Rideability. 

Features:  MX chassis and frame, aluminum sub-frame, sleek rear fender and side panels, KYB 48mm front forks and 50mm rear shock, Maxxis tires, five speed transmission, wet diaphragm style clutch, blue anodized Excel rims, red anodized dual material rear sprocket, extra wide machined aluminum footpegs with stainless steel pins, and included customized bike stand and four different throttle pulleys to customize throttle response.

SPECS:

ENGINE TYPE  Single cylinder, 4 –stroke, liquid cooled, 4-valve with electric start.

BORE  97mm

STROKE  60.8mm

DISPLACEMENT  449.3cc

COMPRESSION RATIO  13.4:1

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 Compartments For Engine & Transmission

FUEL SYSTEM  46mm Throttle Body

CLUTCH  Hydraulic, adjustable diaphragm multi-plate clutch

TRANSMISSION  5 Speed

FINAL DRIVE  DID drive chain

FRAME  Molybdenum steel / Double Cradle w/ push button seat and quick air filter access

WHEELBASE  58.4"

SEAT HEIGHT  37.2"

GROUND CLEARANCE  13"

FOOTREST HEIGHT  16.1"

DRY WEIGHT  229 lbs

DRY WEIGHT  1.8 US Gallons

FRONT SUSPENSION  48 mm KYB AOS closed cartridge fork, adjustable compression & rebound

REAR SUSPENSION  KYB 50mm body with adjustable rebound and high/low speed on compression adjustment

FRONT WHEEL TRAVEL  12"

REAR WHEEL TRAVEL  11.8"

FRONT/REAR RIM  260 mm floating rotor

REAR BRAKE  240 mm rotor

FRONT/REAR RIM  21" (Front) 19" (Rear)

FRONT/REAR TIRE  Maxxis

**This model is for competition use only

MSRP: $ 10,999.00

Destination fee: $489.00