CEMA 6801 wheel bearing 12x21x5 mm
 The CEMA 6801 is a high-quality precision ball bearing with dimensions of 12 x 21 x 5 mm, designed for use in bicycles where speed and durability are essential. This bearing is available in durable chrome steel and advanced ceramic versions, which feature double rubber seals (2RS) for optimal protection against dirt and moisture. With ABEC-5 tolerances, this bearing offers very smooth and quiet operation, ideal as a replacement or upgrade for road, mountain, and city bike wheels and hubs.


 
 Dimensions: 12 x 21 x 5 mm
 
 Material: chrome steel or ceramic
 
 Double-sided 2RS rubber seals
 
 ABEC-5 precision for minimal rolling resistance
 
 Suitable for various wheel and hub systems


 With the CEMA 6801 bearing you will enjoy smooth driving performance, long life and reliable performance under all kinds of conditions.