Tamiya 15381 - JR PRO Low Friction Roller Set  [15381]

the reduced Friction Roller Set is lightweight, affordable, provides improved performance, and may be properly used alongside Mini 4WDs. Polyacetal resin decreases, providing even smoother rotation. As shown to the image above, this roller set includes high-strength 19mm and 16mm rollers, with all the 19mm rollers being 43percent lighter than aluminum rollers. Additionally included are steel made roller receivers made from steel, screws, peanuts, and washers.