Tamiya 15516 FM-A Chassis Setting Gear Kit for Mini 4WD  [15516]

How the Tamiya 15516 FM-A Chassis Setting Gear Set helps tuning

Serious Mini 4WD builders can use the Tamiya 15516 FM-A Chassis Setting Gear Set to fine tune drive characteristics on FM-A based cars. It provides clear gearing choices so you can match performance to the circuit.

Multiple gear ratios for balanced setup

The set offers five ratios: 3.5:1, 3.7:1, 4:1, 4.2:1 and 5:1, allowing a balance between acceleration and top speed depending on track demands. It also includes a 1.4mm hollow lightweight propeller shaft to reduce rotating mass.

Wide compatibility and robust construction

Compatible with FM-A, Super X and Super XX chassis, the components include a reinforced 8T pinion and G-2 gears for improved durability. A 620 ball bearing and a fluorine coated gear shaft help reduce friction and aid longevity.

Fitting advice and performance testing

Fitting the parts is straightforward and designed for quick swapping, so you can test different ratios during practice to identify the optimal configuration for lap times.