After a production issue 3 years ago, we have decided to bring back the Disc Wheels by solving the core problem. The single core technology offers a closed design with re- duced weight. It is one piece of aluminium that is closed on the extremitie. Details: • material: made from 6061-T6 alloy block material then CNC machined. T4 and T6 heat treatment after welding. • PU hardness: 86A • diameter: 110 mm • weight: 237 g • bearings: ABEC-9, pre-assembled • available in 4 colours: copperchrome, bluechrome snake and blackchrome snake and black