Features1Steel: 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 Replacement: Replace broken, damaged, cracked, unusable disc brake bracket, easy to use and stable performance. 3Scope of Application: Disc brake adapter can be used to convert ordinary bike into disc brake bike, applicable to 160 type disc brake pads. 4Easy to Install: Disc brake adapter bracket is easy to install and remove, easy to carry and store, easy to use. 5Practical: Bike disc brake adapter is for outdoor riding is quite convenient, is a necessity for cyclists, practical and efficient.SpecificationItem Type:BikeDiscBrakeBracketMaterial: SteelCommodity Use: Disc Brake BracketSize: for 160 Discs Rings Diameter: Approx. 22mm / 0.87inHole Distance: Approx. 51mm / 2.0inApplicable Shaft Diameter: Approx. 10.5mm / 0.41inPackage List1 xBikeDiscBrakeBracket