This is the 06 Spur Gear (68T) for FF-03 chassis.
06 Spur Gear (68T) x 1pc.
06 Module
Kit 68T Spur Gear
Pinion - Gear Ratio
18 - 9.82
19 - 9.31
20 - 8.84
21 - 8.42
22 - 8.04
23 - 7.69
24 - 7.37
25 - 7.07
26 - 6.8
27 - 6.55
28 - 6.31
29 - 6.10
04 Module
OP 102 Spur Gear
Pinion - Gear Ratio
30 - 8.84
31 - 8.55
32 - 8.29
33 - 8.04
34 - 7.80
35 - 7.58
36 - 7.37
37 - 7.17
38 - 6.98
39 - 6.80
40 - 6.63
41 - 6.47
42 - 6.31
43 - 6.17
44 - 6.03
45 - 5.