【Material & Feature】Wheel hub is made of high strength steel forging and machined. Class 12.9 wheel studs, the highest grade of bolts produced. Made by SCM435 alloy steel, the intensity is 1220Mpa and the hardness is 39-44HRC.
【Bearing - Advantage Than Others】① JAVIK use stainless steel cover as seal cover, not ordinary rubber cover. ② Built-in steel ball is G10Z4 and the workmanship of bearing use thick material. ③ With 100% shake test and quality test, this bearings perfect replace for original factory part. etc.