Hub Material Alloy
Spoke Holes 28H/32H/36H
Gauge 14G
P.C.D 45mm
Flange Spacing 72mm
O.L.D 110/114/120mm
Axle Diam 3/8″
Axle Material  S45C
Color Sliver Red Yellow Blue Black Purple
Option B51R-SB for Rolling System Sealed Bearings
B51R for Rolling System Ball Bowl