The bottom bracket cups for PRO-TECH central movements - BSA with code OC21-PRG, 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.
Designed specifically for gravel - protected from harmful entry of water, mud, and sand.
ProTech™: patented sealing system with an external sealing gasket and internal sleeve made of polyamide resin.
Oversized external stainless steel bearings are directly fixed to the cranks - for optimal performance and ease of maintenance.
Broad compatibility with frames on the market thanks to a complete range of threaded and PressFit cups.
Code: IC21-PRBB86
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