Traxxas 10778 Mini Maxx / Mini XRT Front Differential Ring Gear/Pinion Gear Set Motorcycles This is a genuine HPI

This is a genuine HPI Racing 10x19x5mm ball bearing in the 6800 open style

Bolt on this 36T sprocket to upgrade or replace your Promoto MX's drivetrain hardware

For the HPI Formula Q32

Kyosho XGS032 is a genuine pair of hard rate rear shock springs for Kyosho's big bore dampers

The pack includes left and right arms

Traxxas 10778 Mini Maxx / Mini XRT Front Differential Ring Gear/Pinion Gear Set Motorcycles This is a genuine HPITraxxas 10778 Mini Maxx Mini XRT Front Differential Ring Gear Pinion Gear Set. Ring gear, differential, 47 tooth pinion gear, differential, 12 tooth (planetary) (front) Replacement Mini Maxx front planetary differential gear set includes 47 tooth ring gear and 12 tooth input gear.