Campagnolo Ekar Pro-Tech Bottom Bracket Cups (Italian Threaded) (70mm Shell)
Part#: OC21-PRI
- New patented extrenal ring seal paired with an internal sleeve seal protects bearings from water and contaminants
- Provides extremely efficient and smooth function as well as long lasting reliability
- Available in multiple threaded and pressfit options
The bottom bracket cups for PRO-TECH central movements - IT with code OC21-PRI, are equipped with Pro-Tech™ technology. This technology features a patented external sealing gasket that protects the ball bearings from harmful entry of water, mud, and sand. Additionally, it includes a watertight central sleeve made of fiberglass-reinforced polyamide to prevent contamination from the inside.
These new cups are paired with oversized external stainless steel bearings press-fitted onto the two Ultra-Torque™ half-axles securely fixed to the cranks.
Thanks to the Pro-Tech™ sealing system, performance is always optimal, no matter where or how you ride. The Ekar bottom bracket options offer broad compatibility with frames on the market, providing a complete range of threaded and PressFit cups.