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. Sold as pair (19 grams).
Additional Information
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| Derailleur Type | Derailleur Service Parts |
| Terrain | Mountain, Road |
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