CeramicSpeed Bearing 61902 Standard pro Rolling Speed: 6/10

Rolling Speed: 6/10

second-skin feel

commonly used in 50/34T or 50/36T configurations

a mountain bike

Polished aluminum crankarms in a wide range of lengths and the DUB bottom bracket system mean the Rival crankset will keep spinning

CeramicSpeed Bearing 61902 Standard pro Rolling Speed: 6/10Engineered for unparalleled low friction and exceptional durability, optimizing power transfer and efficiency in high performance cycling components. The CeramicSpeed Bearing 61902 Standard is a precision engineered ceramic bearing designed to provide a significant upgrade in performance and longevity for your bicycle's rotating parts. Featuring high quality CeramicSpeed balls and robust steel races, this bearing dramatically reduces friction compared