Shimano Part Number Y2T898020. Weight: 17g.
When servicing a hub we recommend you always replace the balls.
A hub that uses this cone will use 3/16" balls x 20 (10 per side).
We recommend using Grade 25 balls with these cones. You can click the links on the right to both the individual balls and also to boxes of 100 (a more economical way to buy them).