Grade-Up Parts No.450 Mini 4WD Basic Tune-Up Parts Set for AR Chassis Item No:15450 ★This set includes newly-designed FRP wide plates to enable various rollers to be attached at the front (9mm, 11mm, 13mm, 19mm) and rear (9mm, 11mm, 13mm, 17mm, 19mm) of the chassis, 13mm low-friction rollers, mass dampers, and stabilizing poles are included as well for more modification possibilities. ★Compatible with AR, MS, VS, and Super XX chassis cars. ★Wrench and rubber tubing…