Tripeak Grade 5, Si3N4 Ceramic Hybrid Bearing，#15267 (15 x 26 x 7 mm)

Unlock professional-grade wheel performance with the Tripeak Grade 5 15267 ceramic hybrid bearing. Featuring hospital-grade Si3N4 ceramic balls and precision-hardened steel races, this bearing delivers the same WorldTour performance at a fraction of the premium brand pricing.

Premium Engineering: • Grade 5 silicon nitride ceramic balls—maximum hardness and longevity
• Hybrid construction—ceramic balls with hardened chromium steel races
• ABEC-5 precision tolerances—consistent, smooth operation
• Double rubber seals—reliable protection against water and contamination
• Direct OEM replacement—seamless compatibility

Reduced rolling resistance for faster speeds
3-5× longer lifespan than standard steel bearings
Enhanced thermal stability—maintains performance under sustained load
Corrosion-resistant design for all-weather reliability
Professional quality without premium markup

Size: 15mm ID × 26mm OD × 7mm Width | Material: Si3N4 ceramic + CrSteel | Double sealed