Either of Sugino axle bolts of 18mm below the head must be used ; 14BK or CPB *If the bolt is not long enough, this can lead to breakdowns and serious accidents
Bearing : Ceramic balls
Ball race : Super high quality polish
Axle : Ni-Cr-Mo Steel 109mm
Type : 4-TAPER(SG75)*
Cup Thread : BC 1.37x24T
B.B. Width : 68mm
* non njs
* SG75 taper cannot be used with JIS taper.