SHIMANO Ultegra 105 R55C4 road bike bicycle Sleeve type brake block for BR -5800,BR5700,BR5600,BR-5501,BR-5500,BR-R650,BR-R600 - AliExpress Sports & Entertainment
Shimano 105 BR-5500 Rear Caliper Brake NOS (G79) | eBay
VeloBase.com - Component: Shimano FC-5500, 105 5500 Series
Genuine Nos Shimano 105 Rear Brake, BR-5500, Silver, Brand New | eBay
VeloBase.com - Component: Shimano BR-5500, 105 5500 Series
Shimano 105 5500 Rear Road Bike Brake BR-5500 Rim Brake | eBay