Novatec brand Spoke Hole: 32 Axle Dim: 3/8"*100*140 F 3/8"*110*165 R Axle Material: Cr-Mo hollow axle Fixed gear bike, bike hub, Novatec bicycle hub/ 32 holes/ 36 holes/sealed bearing hubDescription:Novatec brand Spoke Hole: 36Axle Dim: 3/8"*100*140 F 3/8"*110*165 RAxle Material: Cr-Mo Sealed bearing Fixed gear bike hut, bike hub, Novatec bicycle hub/ 32 holes/ 36 holes/sealed bearing hub