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 spring refill set for Mini 4WD sliding dampers: four soft springs (gold) and four hard springs (silver), eight in total. Swapping between the two rates changes how firmly the damper resists compression on landings and impacts, and springs are worth replacing periodically since repeated compression fatigues them and softens their response over time. Fits cars built with Items 15139, 15198, 15467, 15469, 95363 and 95364.
Those compatible items span both the standard and wide-damper lines: Item 15139 is the Front Slide Damper & Roller Set, 15198 the Rear Slide Damper & Brake Set, 15467/15469 the Rear and Front Wide Slide Dampers, and 95363/95364 the red-anodised Front and Rear Wide Slide Damper 2 versions. A softer gold spring compresses further and soaks up bigger hits, suiting rough home tracks or landings after a jump, while the harder silver spring keeps the chassis riding higher and steadier on smooth, fast courses.
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.
Mass damper placement decides whether your car settles or bounces. Front, centre and rear positions, weight choices and how to test each change.