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Genuine replacement parts
Coated options use a 75% harder bearing race, further reducing friction and wear.
Product details
- 400% smoother, 128% harder, and 58% lighter than a standard steel bearing
- Compatible with Shimano 24mm cranks
- Made from Grade 3 Silicon Nitrate - the highest possible grade
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Review CeramicSpeed Shimano Coated T47 Inboard Bottom Bracket
