The Razor Dirt Rocket Mx500 Is A Bigger And Faster Version Of The Mx350 And Is Perfect For Ages 14 And Up. The Razor Mx500 Carries Riders Up To 175Lbs At Speeds Up To 17Mph And Is Equipped With Large 14" And 16" Pneumatic Knobby Tires For Maximum Power Transfer. The Chain Driven, Variable Speed Motor Gives The Razor Mx500 It'S Kick, But Because The Bike Is Electric, The Motor Is Super Quiet; A Distinct Advantage Over The Other Gas-Driven And Noisy Scaled Down Dirt Bikes. Speeds Up To 17Mph Large 16" And 14" Pneumatic Knobby Tires Geared For Dirt Dual Suspension And Riser Handlebars For A Smooth And Comfortable Ride Variable Speed, Chain Driven Motor For Super Quiet And Powerful Operation. Twist-Grip Throttle Acceleration Double Crown Fork - Availability: Usually ships the next business day 15128190$409.99 Don't see what you want? .......... Need help? Or, IF THERE IS NO ORDER BUTTON AVAILABLE on the part you want to buy, please call us TOLL FREE at 1-888-6 GO FAST(1-888-646-3278) Monday - Friday 8AM - 5:00PM Pacific Time and talk to one of our experienced Sales Agents. Some parts may not be legal for sale or use in California and other states on any polution controlled motor vehicles. Check your local laws for use. Copyright © 1997-2012 GoFastParts.com all rights reserved. No part of this site may be reproduced without prior written consent.