Fit 5mm Shaft Size Motors,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.
For 5mm shaft motor of 1/8 1/10 RC Car.Compatible with Arrma Traxxas Axial HSP Redcat Losi 1/8 1/10 Scale RC Car Truck Buggy.
The 32DP pinion gear sets are made of hardened steel,durable and reusable.
Universal upgrade 32P pinion gear,total 5Pcs,17T 18T 19T 20T 21T with 5mm inner diameter.
The variety of tooth pinions allows for more gear setups,for different racing track conditions.
To avoid the ESC/motor overheat,please check the ESC and motor temperatures regularly throughout the run after change the pinion gear.
Easy to install and upgrade.Come with grub screws.

Material:Steel
Tooth count: 17T 18T 19T 20T 21T
Tooth pitch: 32 pitch（0.8 module is the same as 32 standard）
Height: 14mm
For shaft: 5mm

Package includes:
5x Pinion gear(17T 18T 19T 20T 21T)
5x Grub screws