Shimano Dura-Ace & Ultegra Polymer Coated Brake Cables a Polymer-coated inner cable reduces the sliding resistance to achieve lighter and quicker operation a Stainless steel for anti-rust protection a Low friction polymer material on the cable may cause slippage at the cable fixing bolt after initial pre-stretch for the cable is performed. Fur like material from polymer coating will not affect the performance a Approved by Shimano only for use with Dura-Ace BR-9000/9010, Ultegra BR-6800/6810 & Cyclocross BR-CX70 a Unit of Sale Each a Width 1.6mm a Length 2100mm a Intended Use Road a Defined Color Silver