40mm Precision Chrome Steel Bearing Balls G10 2 Pack

Suitable for a range of purposes, some of the most common are listed below:
*1/8" is often used for clusters and old Eglish-style headsets
*1/4" is often used for rear wheels and bottom brackets
*3/16" is often used for front wheels
*5/32" is often used for headsets with pressing cups

Specification:
Precision: G10
Material: AISI 52100 chrome steel