Freedom Coast Flat Mount Disc Brake Adapters. Features: Precision machined 6061 aluminum for tighter tolerances than stock cast adapters, minimizing pad/rotor alignment issues and pad rubbing Weight optimized adapter and bolts save 9.3g over stock adapter setup Reversible design to allow for either a 20mm increase or decrease in rotor size depending on the orientation of mounting Kit includes (1) adapter, (4) black titanium bolts Made in USA Specs: Model: Front Flat Fork Frame Mount: (FM) 70mm Caliper: Flat Mount 34mm Size: 0/+20mm Color: Purple