Campagnolo Pro Tech Bottom Bracket If you're on this page chances are you've just started to build up a bike with the fancy new Campagnolo Ekar groupset or just need a replacement bottom bracket. Regardless, we've got your back with the Campagnolo Pro Tech bottom bracket. Campagnolo's new Pro Tech design has been engineered to offer as much performance as possible without affecting ease of maintenance. The Pro Tech bottom bracket features a sealed external ring design that keeps grit and grime from accessing the bearings. It has been engineered in a way that the bottom bracket sits against the bearings which are mounted on the crank arms making bearing access a breeze with the Campagnolo Ekar crankset design. The Pro Tech bottom bracket is offered in a variety of options to fit every standard under the sun. Features Sealed external ring design keeps grit and grime from accessing the bearings Forward thinking design in which the bottom bracket sits against the bearings mounted on the crank arms Easy install and straightforward maintenance makes this bottom bracket an excellent choice Available in a variety of bottom bracket standards including: BB386, BB86, BB RIGHT, BB30, BB30A, PF30, BSA, ITA, T47 68x47mm, T47 86x47mm | Campagnolo | Protech Bottom Bracket Pf30, 68X46Mm, For Ultra-Torque Spindle