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The CEMA Nabenlager 6003 17 x 35 x 10 is a high-quality hub bearing designed to deliver smooth, reliable rotation for your bicycle wheels. Using the proven 6003 bearing standard, it fits many common front and rear hubs that require a 17 mm inner diameter, 35 mm outer diameter, and 10 mm width. This type of cartridge bearing is widely used in modern wheelsets because it offers low rolling resistance, long service life, and easy replacement when your original hub bearings start to feel rough or develop play.
Built for everyday riding as well as sporty use, this CEMA hub bearing helps restore precise, responsive wheel performance. Sealed construction keeps out dirt and moisture, reducing wear and minimizing maintenance needs, whether you ride in dry summer dust or wet winter conditions. Ideal for home mechanics and workshop use alike, it is a straightforward upgrade or replacement part that can noticeably improve the feel of your wheels. If your hubs no longer spin freely or you hear grinding noises, installing fresh CEMA 6003 bearings is a simple way to bring your bike back to smooth, efficient running.
