The DUO R2 10mm (3/8") front hub features a high body design that creates increased flange stiffness to achieve both accurate wheel building & steering. 

Specs:

• CNC aluminum body w/ precision sealed cartridge bearings
  
• 36H x 14G
  
• Aluminum inner-axle w/ female-bolts & Alloy Frustrum hardware
  
• lightweight at only 6.9oz