These are optional HPI 0.6 MOD E10 Pinion Gears for the HPI E10 Drifter. A lower tooth count on the pinion gear will give you more acceleration, while a higher tooth count will give you extra top speed. Have a selection of pinion gears available so you can tune the speed of your car as desired!NOTE:..
This is a replacement HPI 10° Front Hub Carrier Set, and is intended for use with the HPI Bullet ST 3.0, Bullet MT 3.0, Bullet ST Flux, Bullet MT Flux, WR8 Flux and the Ken Block WR8 Flux vehicles. These hub carriers have ten degrees of caster. ..
This is a replacement HPI Differential Bevel Gear Set, and is intended for use with the HPI Switch. This part is also compatible with the HPI E10 and Brama 10B vehicles. ..