Shimano Dura-Ace/Ultegra/105 R55C4 Brake Pads For Carbon Rim 2-Pair (4 Pcs) | eBay
Amazon.com : Carbon Rim Brake Pads, Cork and Carbon Compound, Compatible with Shimano All Road Series Including Dura Race/Utegra / 105 and SRAM, Pack of 2 Pairs : Sports & Outdoors