Hobbyking Hardened Steel Pinion Gear Sets are a must for every electric R/C car racer. The pinion gear set includes 6 individual pinions ranging from 15 - 20T, so if your looking for faster acceleration, improved top speed or a perfectly balanced all rounder, then the pinion gear sets are just the ticket and at a price that will not break the bank! 

Specs: 
Material: Hardened steel 
Finish: Hard coated 
Pitch: 48P
To Fit Shaft Size: 3.175MM 
Kit Includes: 15/16/17/18/19/20T
Kit Weight: 23.33g