This is a must have for those who have trouble with Yamaha JOG Disc Caliper Adhesion, Piston Rust, etc. Please use new parts to restore your vehicle. [Compatible models] JOG series vehicles general-purpose reference mounting models: JOG50 3RY 3YK 4LV JOGZ Grand Axis SB01J Champ 90 JOG90 JOG50ZR... etc. [Please note beforehand] The design and specifications may vary slightly depending on the time of shipment. There may be small scratches, scuffs, dirt, deformation, logs, uneven sewing, etc. Instruction manual and installation instructions are not included. We recommend purchasing this product for someone with expertise. Please make sure to check the compatibility before purchasing. Please consult a professional for installation as expertise is required.