FEATURES: Aluminum construction, GUN-METAL in color 60% larger than stock for unbeatable performance and enhanced durability Converts the 14mm wheel hex to a beefy 23mm

INCLUDES: Four hex adapters and four nuts

REQUIRES: Proline Heavy-Duty 40 Series Wheels.  

SPECS: Thickness: .66" (17mm) Hex diameter: .91" (23mm)