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 9 - 14T, 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!
Material: Hardened steel
Finish: Hard coated
To Fit Shaft Size: 3.175mm
Kit Includes: 9/10/11/12/13/14T
Kit Weight: 25.33g