- Grade 5 Silicon Nitride ceramic balls, Chromium steel races with triple cryogenic treatment, filled with Kyodo Yushi grease for ceramic bearings
- Super light Delrin wheels with aluminum dust covers
- XD pulleys have narrow/wide tooth profile for use on XX1 and X01 rear derailleurs
- Sold as pair (16g/pair)
Today's Stock Status
4 Available to ship in 2-4 Business Days
UPC: Not available
EAN: Not available
Manufacturer Part Number: BKCJ-0341
AB0029
149498-Q0-L