2x Bike Frame Conversion Bicycle Disc Brake Adaptor Bracket MTB Mountain Holder Product Features High-quality Materials: Made of high-quality Stainless Steel materials, durable and exquisite design, convenient for carrying and using.Good quality at a reasonable price. Easy to Install: The modified bracket can convert ordinary bicycles into disc brake bicycles.Used for refitting disc brake where the original bicycle is not installed. Useful bicycle Accessories: It is necessary for cyclists, practical and practical, and can be converted into ordinary bicycle disc brakes. Size: Package of 20mm or 31.8mm disc brake bracket. Wide Application: Suitable for most of bikes. Product Specification TypeBike Disc Brake Brack Frame ColorBlack MaterialStainless Steel Part TypeBrake Lever For Bike TypeMountain Bike Grip Ring Interior Diameter20mm/32mm (Optional) Applicationconvert ordinary bicycles into disc brake bicycles. Package Included 1 x Bike Disc Brake Brack Frame