Inside dimension: 1

This will allow you to use 17mm Tires and Wheels on your Traxxas Jato

and machined with grooves to easily identify size

Traxxas E-maxx and 2WD Slash rear)

the word has been spreading and the verdict is: TREMENDOUS

Hot Racing - Speed Run Steel Spur Gear, 48 Tooth/48 Pitch, for Traxxas 4 Tec 2 KYO34424T2 Inside dimension: 1Hot Racing's light weight hardened steel 48 tooth speed run gear, 48 pitch spur gear for the Traxxas 4 TEC 2 vehicles. Features: CNC machined and lightened hardened steel construction. Replaces stock nylon spur gear. Black oxide coated gear for durability and corrosion resistance. Specifications: Number of teeth: 48 Gear pitch: 48 pitch Tooth face width: ~5mm