The 'Armstrong' range of brake discs are available in a floating wavy front and solid wavy rear designs. These discs optimise the braking performance of your bike by supplying a more efficient area of pad contact compared to standard round discs and allowing greater heat dissipation to prevent disc and pad over-heating.Diamond grounded to provide an all over perfect finish.Fully floating disc helps to prevent disc distortion.Hardened Stainless Steel construction provides a strong disc with increased braking power.Laser cut from premium Japanese induction hardened stainless steel then diamond ground for the perfect finish, these discs not only look great but also offer a substantial weight reduction over standard O.E equipment.