- Modern hubs that pay homage to our 80’s classic Superlace hubs- High flange 6061-T6 forged aluminum hub shells- Sealed cartridge ball bearings- 16T 2pc Shimano Spec & 9T 1pc 3 pawl driver included- 3/8” 4130 chromoly axle bolts w/ 15mm chromoly female axles- Weight: 11.55oz. (front), 17.70oz. (16T rear), 15.77oz. (9T rear)