The CEMA Nabenlager 18307 18 x 30 x 7 is a high-quality hub bearing designed to keep your wheels running smoothly, efficiently and with minimal maintenance. With its precise 18 x 30 x 7 mm dimensions, this bearing is ideal for use in many modern bicycle hubs where low friction and long service life are essential. CEMA is known for producing durable, low-resistance bearings that withstand the demands of everyday riding, training and racing, making this hub bearing a smart upgrade or replacement choice for performance-focused cyclists.
By reducing rolling resistance and improving hub smoothness, the CEMA Nabenlager 18307 can contribute to a more responsive ride feel and better power transfer. Its sealed construction helps keep out dirt, water and road grime, which is especially important for riders who frequently ride in wet or dusty conditions. Whether you are refreshing a worn wheelset, building a new set of wheels, or simply looking to improve reliability before a big event, this CEMA hub bearing offers a robust, precise and cost-effective solution for long-lasting wheel performance.