Enduro ZerO Pulley Set

• Ceramic bearings provide superior smoothness, reduced weight and extended bearing life
• 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)