Brand: Novatec (100% original). Front hub: Model D041SB-15, Sealed Bearing: 2 Bearing, Spoke Holes: 32 Holes, O.L.D.: 100mm, Axle: 15mm, Weight: ±193g. Rear hub: Model D442SB-B12-S4S, Sealed Bearing: 4Bearing, Spoke Holes: 32 Holes, O.L.D.: 142mm, Axle: 12mm, Weight: ±459g.