Through Authenticate 
50mm Fit Shimano 105SX/RSX road
Improved groove design
Visible orange groove color
44g/pair
54mm Cartridge brake shoes set; Aero cool flow cartridge;
Fully angle adjustable designed; Patent ''Wear-Dot'' indication;
Multi-Functional Elongated, Low Profile Pad;
Compatible with Shimano Dura-Ace BR-7800;
Anti-rust stainless steel hardware
