[. . . ] [. . . ] NOTE: This hub uses uses two R4 fully sealed bearings.
Smooth push-in style end cap.
(B) Micro 58 New Style Screw-In
688 bearing is flush with the end of the hub. NOTE: This hub uses uses two 688 fully sealed bearings.
Threaded screw-in style end cap.
All repairs should be performed by a Professional Bicycle Mechanic.
sales@amclassic. com 800-813-5545 www. amclassic. com [. . . ] [. . . ]