Could this be the new Shimano Dura-Ace groupset | road.cc
DURA-ACE | Shimano Road
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,