Fit 5mm Output 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.
The 48DP pinion gear 5mm sets (25T 26T 27T 28T ) are made of 7075 aluminum alloy material,durable aluminum construction for long-lasting performance.
The 48P motor gear 5mm sets compatible with Arrma HPI kyosho losi axial traxxas tamiya associated 1/10 RC car monster truck buggy.
Universal upgrade 48P pinion 5mm gear,total 4Pcs ,25T 26T 27T 28T with 5mm inner diameter
The variety of tooth pinions allows for more gear setups,for different racing track conditions.
Come with L hex key and grub screws for easy installation.

Material:7075 Aluminum Alloy
Tooth Count: 25T 26T 27T 28T
Tooth Pitch: 48 pitch
Height: 9mm
For Output Shaft: 5mm

Package includes:
4x 48DP Pinion Gear 5mm (25T 26T 27T 28T)
4x Grub Screws
1x L Hex Key