This is a Hot Racng Traxxas TRX-4 10 mm Wide Track spring Steel Stub Axle, to gain clearance for larger front tires. Plus, 20mm track width increase makes the truck more sure footed.

CNC Spring steel and Aluminum spacer and Nut.
Increased stability
Increased steering clearance
Increased tire selections
10mm anodized aluminum extension spacers
10mm Spring Steel extension axles
Direct Fit, no modification needed


Includes

(2) Nut, M4 blue Aluminum Locknuts
(2) Blue AluminumWide Track Spacers
(2) Spring Steel 10mm Wide Track Axles