This is a set of two (2) Pro-Line 23mm Heavy-Duty Hex Adapters for the HPI Savage X, 25, SS.  These will not fit the Savage XL.  These adapters allow you to run the popular 40-series wheels with the 23mm hex hubs.

Features:

• 6061 aluminum construction, blue in color
• 60% larger than stock for unbeatable performance  and enhanced durability
• Converts the 14mm wheel hex to a beefy 23mm
• Easy installation

Includes: Two hex adapters and two nuts

Specifications:
Length:  .66" (17mm)
Hex diameter:  .91" (23mm)