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 alternativesA set of stainless steel countersunk screws in five lengths, for mounting points where the screw needs to sit flush with the surface of an FRP or carbon plate rather than proud of it, which countersunk (tapered) holes and matching flat-head screws are designed for. These should only be used in countersunk holes, not standard round holes.
Countersunk screws only work with matching countersunk holes, drilled to the same angle as the screw head; in a standard round hole the head has nothing to seat against and won't sit flush. This set's five lengths, 10-30mm, suit thicker plate stacks and longer roller stays, while its companion set, item 15527, covers shorter 6mm, 8mm and 15mm lengths for thinner mounts. Being stainless steel rather than plain steel, they resist the surface rust plain screws develop over a season of handling.
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.
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.