Hub Material Alloy
Spoke Holes 28H/32H/36H
Gauge 14G
P.C.D 45mm
Flange Spacing 57mm
O.L.D 100mm
Axle Diam 3/8″ × 108
Axle Material  S45C × AL7075
Color Sliver Red Yellow Blue Black Purple
Option B57R-QS for Quick Release Type and
Rolling System Sealed Bearings