The Tamiya 15417 JR 72mm Reinforced Shaft is a must-have upgrade for Mini 4WD builders seeking tougher drivetrain parts. Machined from 60C steel, these shafts deliver a sturdy, race-ready option for hobbyists and competitive racers alike.
These reinforced shafts are designed to work with Super X, Super XX and R/C 4WD TR-1 chassis types, providing a direct replacement that improves longevity. The black nickel finish helps resist wear while keeping the axle looking neat during regular track use.
When installed, the Tamiya 15417 shafts help smooth power transfer and support consistent handling, useful when balancing speed and control. They perform well through tight corners and long straights, giving predictable behaviour under load.
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