Attention : Can only be used with Stage6 or Yamaha aerox/MBK Nitro fork and Stage6,Gyronetics or Aerox/Nitro front wheel. An evolution in braking power, presented by the Italian Stage6 Racing Team. Aggressive wave design and a special steel alloy, developed after numerous tests on the track. This premium brake disc offers maximum braking power in all situations. Ideally used with sintered metal brake pads! NOTE: Delivery does not include an adaptor. You can either convert to a Stage6 4-piston brake calliper incl. adaptor, or you can make one yourself.