This is the Robinson Racing Hardened 17 Tooth 48 Pitch Pinion Gear.
FEATURES
Constructed of hardened machined steel
May be used on motors with a 5mm shaft including Traxxas, Associated
and HPI models
INCLUDES
17 Tooth 48 Pitch Pinion Gear with 4mm Set Screw
REQUIREMENTS
2mm hex wrench, GPMR8011
SPECIFICATIONS
Number of Teeth: 17
Pitch: 48
Hole Diameter: 5mm
Outer Diameter: 0.39" (10mm)