Bicycle Components & Accessories
2Pcs 18307RS Hybrid Ceramic Bearing 18x30x7mm ABEC-7 Bicycle Bottom Brackets Spares Si3N4 Ball Bearings 18307-2RS Accessories
Bearings WHAT IS A HYBEID CERAMIC BEARING? A ceramic hybrid bearing is a combination of ceramic balls and bearing quality steel rings. Which combine hardened steel rings with rolling elements made of high-performance ceramic materials. BEARING...
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