Best Sale CeramicSpeed Coated BB30 Ceramic Bottom Bracket – BB42-73-DUB – black

Step up to a new and transformed riding experience.

BB30 bottom bracket with anodized cups and coated ceramic bearings for 73 mm wide bottom bracket shells with a diameter of 42 mm and SRAM DUB cranks with 28.99 mm axles. Super smooth, super round CeramicSpeed balls are rotating in hardened-steel races in both. In CeramicSpeed coated bearings the steel races are coated with an extremely thin (2-3 microns) protective layer, which is 75% harder than hardened steel. This metallic coating laid onto the races, making it even smoother and harder, resulting in longer life and lower drag.CeramicSpeed offers 4 years warranty for standard and 6 years for coated products – please register within 30 days after purchase at ceramicspeed.Case width: 73mmMaterial: bracket cups: aluminum, bearings: stainless steel coated, ceramic balls