Box Two Front Hubs feature cold forged & CNC-machined, 6061-T6 aluminum shells fitted with precision sealed bearings & 20-millimetre, 7075-aluminum axles & axle nuts. They are designed for forks with 100mm spacing. Meets or exceeds ENBMX standards. section Product Specs AXLE
Size: 20mm SPOKE HOLES: 36h BEARINGS: Sealed WEIGHT: 234g (8.3oz)