The Tamiya 15120 Narrow One-Way Wheel is a straightforward upgrade aimed at improving a Mini 4WD car's agility on course. Its reduced width helps lower drag in tight corners while letting the vehicle carry speed through sequences of bends.
The one-way mechanism fitted to these narrow wheels allows rotation in the forward direction with minimal friction and provides controlled resistance when rolling the other way. This behaviour helps maintain forward momentum when negotiating corners.
These wheels are particularly useful on technical layouts or club tracks with lots of direction changes, where maintaining line and speed through corners directly impacts lap times and consistency.
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