9.6 + 2.8 = 12.4mm
100g
Sealed AC bearings ( 41x45°) ( 52x45°)
AL6061 T6 w/ AL7075 crown race
Anodize
OD 50MM ID 44MM/OD62MM ID56MM
1-1/8" Upper / 1.5" Botto Ø28.6 x ID44 x ID56 x 39.8