Technical Sheet :\n\n- Material : Aluminium 6061-T6\n\n- Weight : 289g (10.2 oz) with bearings\n\n- Diameter : 115mm\n\n- Hardness : 88A\n\n- 12 STD (30 mm wide)\n\n- Bearing and spacer included\n\n- Colors : Black / Blue / Red / Neochrome