CeramicSpeed BB30 Ceramic Bottom Bracket - PF42-68-DUB - black

Step up to a new and transformed riding experience. BB30 bottom bracket with anodized cups and ceramic bearings for 68mm 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.com. Case width: 68mm Material: bracket cups: aluminum, bearings: stainless steel, ceramic balls