Shimano Dura-Ace SM-RT900-S Disc Brake Rotor - Parvilla Cycle & Multisport, Edgewater, 443-949-7130 The home of Custom Bikes in the Mid-Atlantic - The home of Custom Bikes in the Mid-Atlantic - Parlee,
New Shimano Dura-Ace will be 12 Speed, Wireless and without Batteries