Enhance your bike’s durability and performance with the Campagnolo BB86 PRO-TECH Press-Fit Bottom Bracket Cups (model IC21-PRBB86). Featuring advanced Pro-Tech™ technology, these cups include a patented external sealing gasket that shields ball bearings from water, mud, and sand, ensuring longevity even in harsh conditions. The fiberglass-reinforced polyamide central sleeve provides watertight protection, preventing internal contamination. Paired with oversized external stainless steel bearings and Ultra-Torque™ half-axles, this bottom bracket guarantees smooth pedaling and maximum power transfer. Compatible with a wide range of frames, the PRO-TECH cups deliver reliable, high-performance riding no matter the terrain or weather.