Brand new set of two ABM Peak floating rotor kits, front - 305mm (12") diameter. These are German precision made stainless steel rotors with new anodized aluminum rotor buttons and stainless steel wave washers and clips. Your existing rotor carriers are reused. Installation is simple with ordinary hand tools (pliers and screwdriver). The inset pic shows how they look installed on carriers (carriers not included with kit). An excellent alternative to buying new OEM complete rotors which cost over $800. Will fit the following bikes: R850/1100R/RT/RS bikes with stock cast wheels. Will not fit the spoked wheels on the GS, R special edition or RTP models.Also fits K100 4V, K1100LT,K1100RS bikes.