Mini 4WD Setting Gear Set: AR (15456) vs FM-A (15516)
Tamiya 15456 and 15516 bundle five gear ratios, 3.5:1 to 5:1, but fit different chassis. Compare contents, price and fit before buying the wrong set.
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Browse available alternativesTwo fiberglass-reinforced plastic (FRP) plates that screw onto the underside of the MS chassis's nose and tail units. They act as a skid plate, protecting the chassis from scraping and impacts in corners while also adding underside rigidity and stability. Small parts for attachment are included.
FRP -- fiberglass-reinforced plastic -- is valued in Mini 4WD builds for combining the stiffness of a rigid plate with more impact resistance than a similarly thin sheet of plain ABS, so it absorbs repeated scrapes against course walls without cracking the way a more brittle material would. Mounting the plates to the undersides of both the nose and tail units protects the two points most likely to make contact when landing off a slope section or clipping a corner wall, while tying the nose and tail more rigidly to the rest of the chassis. The set is specific to the MS chassis's nose and tail unit mounting points.
Tamiya 15456 and 15516 bundle five gear ratios, 3.5:1 to 5:1, but fit different chassis. Compare contents, price and fit before buying the wrong set.
We counted every non-kit SKU in our own 289-item Tamiya catalogue by named chassis. MS, AR and Super XX lead, but two-thirds of parts name no chassis at all.
Choose a Tamiya Mini 4WD gear set by the exact chassis, motor layout and instructions. Check ratio, gear cover and event rules before changing the drivetrain.