2 Pair Universal Bike V Brakes Set,Mountain Bike Brake Cables, Road Bike Brakes with Front Back Wheels Set How to Install: 1.To Install the brake to the bike first, (Holes correspond to holes) 2.The brake cables pass brake wire tube. and fix the position of wire tube. 3.Then Fix the brake line on the bolt.and install the brake caps. to adjust the length and distance and position of the brake tube, and fix the brake line well. Package includes: 2 pairs mountain V bike brakes 2 pieces cable end caps 6 pieces end ferrules 2 pieces brake cables Product Size:: 2 Pieces brake cables are 200cm(78.7 inch). The brake pads are 5.5cm(2.16 inch). The brake frame is 11cm(4.3 inch). Note: Please kindly confirm if the back wheels of your bike has the hole for the bike brake before you order it.