Made in Japan Extremely strong For 20mm centerhole use following reduction ring 0504-01025 SEE THE MOVIE ON: https://youtu.be/pln6OEKzapw Made out of corrosion resistant, durable Japanese SKS-5 high carbon tool steel
Teeth: 40 Ø axle hole: 25,4 mm Ø outside: 10’’ = 255 mm Thickness: 1,25 mm