Campagnolo Pro-Tech Bottom Bracket Cups

The new Ekar bottom bracket is designed specifically for the rigors of all-road and gravel riding and racing. It features the robust double-protection of external sealing ring design with a fiberglass polyamide central tube to reduce the harmful ingress of water, mud and grit. The bottom bracket mates with the external stainless steel bearings - which are attached to the crank arms as an integral unit rather than the BB cups for greater size and easier maintenance access - and sits over a stiff, strong inner axle spindle, delivering performance that is smooth, fluid and predictably consistent from the get-go. Thanks to the ProTech sealing system, it stays that way, however and wherever you ride. Ekar bottom bracket options offer broad compatibility in a full range of threaded and PressFit applications. Patented dual-sealing ProTech technology securely connects the two semi-axles inside the bottom bracket, and protects the BB bearings from ingress of water and mud, providing longevity o