This is an optional HPI High Speed 39 Tooth Idler Gear & Shaft Set, and is intended for use with the HPI Savage Flux. Adding this to the Savage Flux gives it a 20% taller gear ratio, perfect for banzai top speed runs. The 39T gear is machined steel for extreme durability. Each set includes everything needed for the conversion. HPI Savage Flux owners can now go for extreme top speed with this 39T High Speed Idler Gear and Shaft Set.
This product was added to our catalog on January 4, 2012