This is an optional Hot Racing MOD1, 40 Tooth Steel Spur Gear for use with the Traxxas Revo 3.3 and Slayer Pro 4x4.

Features:
CNC machined and hardened steel construction
Upgrades factory plastic gear
Super heavy duty 1.0 Mod pitch
Black oxide coating for durability and corrosion resistance
Blue anodized countersunk washers
Includes:

(1) 40 tooth 1.0 Mod spur gear
(3) mounting screws
(3) blue anodized countersunk washers
Requires:

Hardened steel clutch bell with 1.0 Mod pitch
Best use a hardened clutch bell like the Hot Racing HRASRVO412 (12T), HRASRVO413 (13T), or HRASRVO414 (14T)
Specifications:
Number of teeth: 40
Gear pitch: 1.0 module
Mounting holes: 3
Tooth face width: 6mm