Bb road ita shimano black

CeramicSpeed bottom mounts ensure the lowest friction, optimized power transfer, and longest product life, helping you save watts or drive faster. With almost every standard available on the market, there are over 150 CeramicSpeed bottom bracket types available to upgrade your bike. If you choose to upgrade to a bottom bracket with coated bearings, you benefit from even lower friction and better resistance to contamination and corrosion.