CNC machined aluminum wheel hub anodized. 
Very light weight and versatile design. 
2.5" wheels have rubber layer sandwiched between light foam to maintain its shape under load. 
Very Cool Big 8 Spoke Rim.
Rim Material: Aluminum
Colour: Brushed Silver or Titanium color 
Outer Diameter: 63.5mm/2.5"
Rim Diameter: 44mm/1.73"
Width: 18mm/0.7"
Weight: 22g/piece
Including two bushings internal diameter: 4mm, suitable for 4mm wheel axle.
 
Note: The wheels are in stock in US warehouse, you can choose US warehouse shipping.