Bontrager Ceramic Bearings

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Details
• Grade 3 balls and magnetite rust proof finish
• Abec 5 precision and silicone w seals
• 3 times cryogenic race treatment
• Bearings sold individually, not as pair
• Grade 3 balls and magnetite rust proof finish
• Abec 5 precision and silicone w seals
• 3 times cryogenic race treatment
• Bearings sold individually, not as pair