Item: Metal 3.175mm pinion motor gear sets 10T 11T 12T 13T 14T.
Material: Steel
Tooth count: 10T 11T 12T 13T 14T
Tooth pitch: 32 pitch（0.8 module is the same as 32 standard）
Height: 11mm
Comes with screws for each pinion gear.
Compatible with 1/10 Crawler Truck Traxxas Arrma HSP HPI AXIAL Tamiya LOSI RC Car Upgraded Parts.
Note: Please make sure the RC motor shaft have the same diameter; Also make sure the spur gear and pinion gear have the same pitch, otherwise the teeth won't mesh.

Package includes:
1 * 10T Pinion gear
1 * 11T Pinion gear
1 * 12T Pinion gear
1 * 13T Pinion gear
1 * 14T Pinion gear
5 * Grub screws
1 * Hex key