Shimano dura ace 9000 polymer inner brake cablepolymer coated inner brake cables for the ultimate in smooth braking performance designed to complement the top of the range shimano dura ace groupsets features polymer coated inner wires offer smooth low friction braking action with increased service life due to its anti corrosion nature use with bc 9000 silicone greased road brake cable outer suitable for front or rear brakes just cut to fit size 16mm x 2000mma 2 year warranty is offered with