Campagnolo PRO-TECH Bottom Bracket - T47-86.5

The Campagnolo Pro-Tech bearing shells are specially designed for the difficult conditions on all-road and gravel tracks. Large, protected external bearings made of stainless steel have a direct connection to the crank arms and ensure an even release of power. Thanks to the ProTech sealing system, performance is always optimal, no matter where you ride. Highlights of the Campagnolo Pro-Tech bottom bracket Specially developed for gravel - protected against harmful ingress of water, mud and sand Waterproof center sleeve made of glass fiber reinforced polyamide ProTech: patented sealing system with outer seal Oversize stainless steel outer bearings are attached directly to the cranks - for optimum performance and ease of use Crank mount: Campagnolo 25mm ProTech ProTech™ technology features a patented outer seal that protects the ball bearings from harmful ingress of water, mud and sand, and a watertight center sleeve made of glass fiber-reinforced polyamide to prevent internal contamination. Can only be used in conjunction with Campagnolo KRG FC21 EKAR 13s.