Toughbox Mini and Micro All Ratios Gear Kit

This is a complete set of gears for every ratio possible in the Toughbox Mini and Toughbox Micro. These gears will also work as replacement gears for the Toughbox, Toughbox Nano, Toughbox Micro and Nano Tube gearboxes.

These gear sets replace the small cluster gear and the output gear on these gearboxes.

Gears Included:Usage:
To use these gears, you must choose a pair of gears which the total count of teeth is 64. The center distance on the Toughbox final stage is 1.603 inches. 1.600 inches is the correct distance for two gears of 20dp which have a total of 64 teeth. The extra 0.003 inch is for allowance of tolerance. Here is the list of final stage gear sets, stage ratios, and overall gearbox ratios:

50:14, 3.57:1 = stage ratio, 12.75:1 = overall ratio
48:16, 3.00:1, 10.71
45:19, 2.37:1, 8.46:1
43:21, 2.05:1, 7.31:1
40:24, 1.67:1, 5.95:1