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Beta 450 Mx Motorcycles for Sale

Looking to buy a Beta 450 mx? Browse our extensive inventory of new and used Beta 450 mx from local Beta dealers and private sellers. Compare prices, models, trims, options and specifications between different Beta mxes on Cycle Trader.
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11 Beta 450 Motorcycles For Sale

2024 Beta 450 RX RX in Battle Creek, MI
$10,999

New 2024 Beta Mx

450 RX RX
Stock # BET450371
<p>BRINGING RIDEABILITY TO MOTOCROSS.</p><p>Beta’s prototype testing has been going on for more than 4 years and the manufacturer from Florence, Italy is ready to release the production model to the masses, the wait is over for the all-new 2024 450 RX Motocross model!</p><p>The design is completely new from the ground up. Frame, engine and all other components are of the highest level of performance and lightness. Beta motorcycles are hand built in Florence, Italy and have been for more than 115 years. The team of engineers are every-day riders and understand the values that a motocross rider is looking for.</p><p>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.</p><p></p>
JT Cycle
Battle Creek, MI
2024 Beta 450 RX RX in Gaithersburg, MD
$10,999

New 2024 Beta Mx

450 RX RX
Stock # BET450220
<p style="margin-bottom: 1em;">The 2024 Beta Motorcycles 450 RX is a high-performance off-road bike built for demanding trails and competitive racing. Powered by a 449cc four-stroke engine, it offers strong power delivery and exceptional torque for tackling tough terrain. The 450 RX features advanced suspension with fully adjustable components for superior handling and comfort, even in the roughest conditions. Its lightweight frame and race-inspired design enhance agility and control, while modern technology ensures reliability and performance. With its combination of power, precision, and ruggedness, the 450 RX is ideal for serious off-road enthusiasts and racers.</p><p></p>
CYCLEMAX
Gaithersburg, MD
2024 Beta 450 RX RX in Springfield, IL
$9,999

New 2024 Beta Mx

450 RX RX
2024 Beta 450 RX, Beta Summer Sale In stock<br /> <br /> 2024 Beta 450 RX <p>Beta’s prototype testing has been going on for more than 4 years and the manufacturer from Florence, Italy is ready to release the production model to the masses, the wait is over for the all-new 2024 450 RX Motocross model!</p><p>Beta has kept no secrets in their desire to chase the world of motocross, with the early USA introduction of the 300 RX 2 stroke model in 2021 about the same time as the first shots were taken of the prototype 450 RX 4 stroke model racing in the MXGP championship. 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. To offer a ride that is more forgiving while still providing performance that will encourage aggressive riding.</p><p>The design is completely new from the ground up. Frame, engine and all other components are of the highest level of performance and lightness. Beta motorcycles are hand built in Florence, Italy and have been for more than 115 years. The team of engineers are every-day riders and understand the values that a motocross rider is looking for.</p><p>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.</p><br>
Hall's Cycles
Springfield, IL
2024 Beta 450 RX RX in Saint George, UT
$9,999

New 2024 Beta Mx

450 RX RX
Stock # 9R0450292
<p>BRINGING RIDEABILITY TO MOTOCROSS.</p><p>Beta’s prototype testing has been going on for more than 4 years and the manufacturer from Florence, Italy is ready to release the production model to the masses, the wait is over for the all-new 2024 450 RX Motocross model!</p><p>The design is completely new from the ground up. Frame, engine and all other components are of the highest level of performance and lightness. Beta motorcycles are hand built in Florence, Italy and have been for more than 115 years. The team of engineers are every-day riders and understand the values that a motocross rider is looking for.</p><p>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.</p><p></p>
Factory Powersports
Saint George, UT
2024 Beta 450 RX RX in Saint George, UT
$9,999

New 2024 Beta Mx

450 RX RX
Stock # 9R0450485
<p>BRINGING RIDEABILITY TO MOTOCROSS.</p><p>Beta’s prototype testing has been going on for more than 4 years and the manufacturer from Florence, Italy is ready to release the production model to the masses, the wait is over for the all-new 2024 450 RX Motocross model!</p><p>The design is completely new from the ground up. Frame, engine and all other components are of the highest level of performance and lightness. Beta motorcycles are hand built in Florence, Italy and have been for more than 115 years. The team of engineers are every-day riders and understand the values that a motocross rider is looking for.</p><p>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.</p><p></p>
Factory Powersports
Saint George, UT
2024 Beta 450 RX RX in Walla Walla, WA
$10,999

New 2024 Beta Mx

450 RX RX
<p><strong>Model Year end Close Out Pricing!  </strong></p><p><strong>Special Sale Price is $8,999  INCLUDING Freight and Setup.  No additional dealer fees!   </strong>Add Sales Tax and Title fees, if applicable.<strong>  </strong></p><p>Ready to Ride.  In Stock Now.</p><p>New Bike.  <strong>2024 Beta 450 RX</strong></p><p>Experience Beta <strong>“Rideability” </strong>in a MotoCross bike.</p><p>4-Stroke, liquid cooled.</p><p>MSPR is $10,999</p><p>Ready to Ride.</p><p><strong>Accessories IN STOCK!</strong></p><p>Financing Available </p><p> </p><p>RX450</p>
Tom's Cycle & Power Products
Walla Walla, WA
2024 Beta 450 RX RX in Bakersfield, CA
$10,999

New 2024 Beta Mx

450 RX RX
Stock # 450189
<p>BRINGING RIDEABILITY TO MOTOCROSS.</p><p>Beta’s prototype testing has been going on for more than 4 years and the manufacturer from Florence, Italy is ready to release the production model to the masses, the wait is over for the all-new 2024 450 RX Motocross model!</p><p>The design is completely new from the ground up. Frame, engine and all other components are of the highest level of performance and lightness. Beta motorcycles are hand built in Florence, Italy and have been for more than 115 years. The team of engineers are every-day riders and understand the values that a motocross rider is looking for.</p><p>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.</p><p></p>
Fred Cummings Motorsports
Bakersfield, CA
2024 Beta 450 RX RX in Auburn, CA
$9,699

New 2024 Beta Mx

450 RX RX
Stock # B450374
<p>BRINGING RIDEABILITY TO MOTOCROSS.</p><p style="margin-bottom: 1em;">Beta’s prototype testing has been going on for more than 4 years and the manufacturer from Florence, Italy is ready to release the production model to the masses, the wait is over for the all-new 2024 450 RX Motocross model!</p><p style="margin-bottom: 1em;">The design is completely new from the ground up. Frame, engine and all other components are of the highest level of performance and lightness. Beta motorcycles are hand built in Florence, Italy and have been for more than 115 years. The team of engineers are every-day riders and understand the values that a motocross rider is looking for.</p><p style="margin-bottom: 1em;">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.</p><p></p>
Auburn Extreme Powersports
Auburn, CA
2024 Beta 450 RX RX in Auburn, CA
$9,699

New 2024 Beta Mx

450 RX RX
Stock # B450388
<p>BRINGING RIDEABILITY TO MOTOCROSS.</p><p style="margin-bottom: 1em;">Beta’s prototype testing has been going on for more than 4 years and the manufacturer from Florence, Italy is ready to release the production model to the masses, the wait is over for the all-new 2024 450 RX Motocross model!</p><p style="margin-bottom: 1em;">The design is completely new from the ground up. Frame, engine and all other components are of the highest level of performance and lightness. Beta motorcycles are hand built in Florence, Italy and have been for more than 115 years. The team of engineers are every-day riders and understand the values that a motocross rider is looking for.</p><p style="margin-bottom: 1em;">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.</p><p></p>
Auburn Extreme Powersports
Auburn, CA
2024 Beta 450 RX RX in Auburn, CA
$9,699

New 2024 Beta Mx

450 RX RX
Stock # B450281
<p>BRINGING RIDEABILITY TO MOTOCROSS.</p><p style="margin-bottom: 1em;">Beta’s prototype testing has been going on for more than 4 years and the manufacturer from Florence, Italy is ready to release the production model to the masses, the wait is over for the all-new 2024 450 RX Motocross model!</p><p style="margin-bottom: 1em;">The design is completely new from the ground up. Frame, engine and all other components are of the highest level of performance and lightness. Beta motorcycles are hand built in Florence, Italy and have been for more than 115 years. The team of engineers are every-day riders and understand the values that a motocross rider is looking for.</p><p style="margin-bottom: 1em;">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.</p><p></p>
Auburn Extreme Powersports
Auburn, CA
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