These are Optional Blue Anodized Aluminum Wheel Hex Hubs for Traxxas vehicles such as the Stampede, Rustler, 4-Tec, and other older Traxxas kits.
FEATURES
Blue aluminum construction
INCLUDES
- Two hex hubs
- Four axle pins
REQUIREMENTS
Assembly onto axles.
SPECIFICATIONS
- Hex Length: 12mm (.47")
- Hex Thickness: 6.1mm (.24")
- Axle Pin Length: 9.6mm (.38")
COMMENTS
- These hubs could be used with other vehicles utilizing the same pin/hex design. 
- These hubs Will Not work on the T-Maxx or E-Maxx.
Used with permission, copyright 2017 Traxxas/Tower Hobbies, Inc. Copyright 2017 Brey Corp. t/a Hobby Works.