These machined aluminum narrow wheel hubs install directly to the RC4WD Ignitor beadlock wheels to provide a more narrow stance than the standard hubs supplied with the wheels.  Sold in sets of 2, you would need to purchase 2 of these if updating an entire truck. 

Specifications:

• CNC Machined from Billet Aluminum
• Black Anodized Finish 
• Fit 12mm STEPPED Hex (Stock Axial hex fit without modification)
• OD: 1.06in / 27.0mm
• Width: 0.84in / 21.4mm
• Each Weight: 0.38oz / 10.8g