This GPM kit, intended for Kyosho Mini-Z F1, supplies front and rear foam-mounted tyres seated on Delrin hubs to help with precise on-track tuning. The parts let you test traction differences and shift front to rear grip for setup comparisons.
Installation focuses on correct seating and alignment rather than modification. Slide the assembled wheel onto the axle, confirm hex engagement and even seating, then check rotation clearance. These are practical tuning components for hobby-level testing.
Choose this Delrin-mounted foam tyre set when you want a predictable foam contact patch for lap-to-lap comparison on Mini-Z F1 setups, and always double-check hub fit and spin clearance.
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