Description
⚙️ Elevate your ride with precision that speaks volumes
- READY TO ROLL - Comes pre-lubricated with premium grease for immediate, hassle-free installation.
- PRECISION PERFECTED - ABEC-3 rated with ±0.005mm runout ensures smooth, reliable performance every time.
- HYBRID CERAMIC POWER - Steel races paired with Si3N4 ceramic balls for ultra-low friction and enhanced durability.
- SLICK SILENT OPERATION - PA66 polymer cage reduces friction and noise, elevating your ride experience.
- CONSISTENT QUALITY RANDOM STYLE - Seal cap colors vary but all meet the same high-performance standards—stand out subtly.
These 2PCS 6903 hybrid ceramic ball bearings (17x30x7mm) combine steel races with Si3N4 ceramic balls, delivering ABEC-3 precision and low friction thanks to a PA66 polymer cage and premium grease lubrication—engineered for long-lasting, smooth cycling performance.