ESJOT front sprockets have been specially developed for the high OEM requirements and are among the best pinions on the market worldwide.A special steel, high-quality case hardening and precise gearing ensure exceptionally high strength and durability - ideal for wear-intensive conditions in all areas.Machined on CNC automatic lathes.State-of-the-art broaching machines guarantee a precise fit on the drive shaft.Concentricity and axial run-out tolerances of less than 0.1 mm.100% Made in Germany.