-Special Contour Disc – optimizes pad contact and performance -Premium Japanese induction hardened stainless steel -Laser cut for perfection and accuracy -Diamond ground finish -Light weight performance upgrade to OEM discs-Full Discs Design Break in period: All brake pads must be bedded-in with the rotor they will be used against to maximize brake performance. The bedding-in process involves a gradual build up of heat in the rotors and pad compound. This process will lay down a thin layer of transfer film on to the rotor surface. Following the bed-in procedures provided by the manufacturer will assure a smooth, even layer of transfer film on the rotor and will minimize brake judder. Warranty: Yana Shiki warranty is for replacement of similar product excluding all labor and ancillary charges such as collection, fitting, inconvenience, purchasing of other manufacturers products and is valid for a period of twelve months from date of purchase. Warranty is invalid if product is used for racing, track day experience driving, or any other form of competition. There is absolutely no warranty on any Yana Shiki product for race use. Riders must assess the performance and durability of Yana Shiki products themselves if any Yana Shiki product is to be used in racing.