NASTRUCK Axle, Wheel and Gear Rules

Approved Axles, Wheels, Gears and Tires:

• Rear axle may be 3/32” or 1/8” diameter
• May use 48, 64, 72, or 80 pitch gears (plastic or metal OK)
• Front axle must be a minimum of 3/32” to a maximum diameter of 1/8”.
• Front wheel minimum diameter of .790” and minimum width of .400”
• Front wheels must rotate freely on axle
• Rear wheels must have a minimum diameter of .790” and a maximum width of .810
• Rear axle width not to exceed 3.25" inclusive of all tire material

Allowed Axle, Wheel and Gear Modifications:

• May solder front axle where it passes through chassis uprights only. All other points of attachment are prohibited.
• May solder front wheel retainers to axle or chassis
• Cars must tech to .063” clearance under rear of car including gear.
• Any current, commercially available black rear tire, maximum wheel width .810”.

Disllowed Axle, Wheel and Gear Modifications:

• No all rubber fronts tires allowed
• No axle tubes allowed front or rear
• No hollow axles front or rear allowed