Disc Brake Kit designed to be fitted on the Chase ACT 1.2 and 1.0 20mm Axle Note: Requires a rear hub with ISO 6 (6-bolt)/ Disc ready setup. Sold without hydraulic braking system. Includes: 120mm Disc Brake Rotor fastening system ISO 6 screws with air vents Full CNC Alloy Adaptor for 120mm Disc Brake Mount only Full CNC Chain Tensioner to work with adaptor (opposite side to the disc) Pin bolt security, 6 Disc screws and washers included 2 covers brake cleats to replace the standard brake mounts for a clean, aero design look. 2 Disc Rotor spacers (only needed depending on type of rear disc ready hub used) Fr 20mm rear axle set up