Feature: 1. Steel: Bike disc brake adapter is made of steel, strong and durable, not easy to discoloration or rust, not cracked and not deformed, repeated use is not easy to break. 2. Perfect Replacement: Replace broken, damaged, cracked, unusable disc brake bracket, easy to use and stable performance. 3. Scope of Application: Disc brake adapter can be used to convert ordinary bike into disc brake bike, applicable to 160 type disc brake pads. 4. Easy to Install: Disc brake adapter bracket is easy to install and remove, easy to carry and store, easy to use. 5. Practical: Bike disc brake adapter is for outdoor riding is quite convenient, is a necessity for cyclists, practical and efficient. Specification: Item Type: Bike Disc Brake Bracket Material: Steel Commodity Use: Disc Brake Bracket Size: for 160 Discs Rings Diameter: Approx. 22mm / 0.87in Hole Distance: Approx. 51mm / 2.0in Applicable Shaft Diameter: Approx. 10.5mm / 0.41in. Package List: 1 x Bike Disc Brake Bracket