SpeedTek RC 416 Hardened Stainless Steel Spur Gear for HPI Racing RS4 Sport 3 & Flux Models.
66 Tooth / 48 Pitch Spur Gear.
 
This gear will fit the standard RS4 Sport 3 Flux but can only be used with a pinion between 31 and 37 Teeth.
 
Includes:
(1) SpeedTek RC 416 Hardened Stainless Steel Spur Gear for HPI Racing RS4 Sport 3 & Flux Models