This is a 0.4 inch (10 mm) offset brake shoe that can be used as a long arch. Aluminum alloy cutting pad holder cartridge type 2.2 inches (55 mm) width compatible with Shimano BR-9100 series mounting holes offset: 0.4 inches (10 mm) left and right set Product color and size information may differ from the actual product depending on your display type. Product specifications, logo design, etc. may be subject to change for product improvement. We also cannot answer measurements or personal fit that the manufacturer does not announce. Please be aware of