Features: • 6061 T6 alloy hub body • 7075 T6 alloy axle • Two sealed cartridge bearings • 32 Hole • Black • 173g • Laser engraved graphics • 44.9mm right side flange diameter • 57.7mm left side flange diameter • 30mm right side center-to-flange diameter • 25mm left side center-to-flange diameter