ENDURO BEARINGS Torqtite bottom bracket - bb30 to gxp - xd-15 pro - black

Discover the Enduro Bearings exclusive XD-15 Pro Bottom Bracket, engineered for high-performance cycling. Featuring XD-15 15-degree angular contact cartridge bearings pressed into precision-machined aluminum TorqTite cups, this bottom bracket offers a simple, secure, and creak-free installation by threading directly into the BB shell. Crafted from the same durable XD-15 steel as our renowned Corsa bearings, these sealed bearings incorporate deep-groove raceways and large Grade 5 Silicon Nitride ceramic balls for enhanced contact area, performance, and longevity. Manufactured in California, USA, the XD-15 Pro combines corrosion-resistant, cryogenically treated nitrogen steel races with advanced ceramic balls through a proprietary process, delivering top-tier high-performance bearings. Recognized by Bike Radar as hands down the best bottom bracket we have ever tested, we back these bearings with a lifetime warranty against wear and corrosion. Unlike traditional bearings, XD-15 ceramics improve with use, becoming smoother and faster over time—outperforming other ceramic-hybrid options that tend to slow down. With over 50 types of bottom brackets for various shell and crankset configurations—including BSA, BSA 30, Italian, T47, press-fit, and flanged options—Enduro provides versatile solutions for all modern bicycles.