Enduro Bearings BB386 TorqTite Bottom Bracket with XD15 Pro Ceramic Bearings

The Enduro Bearings BB386 - Torqtite BB - XD15 Pro represents a pinnacle in bottom bracket technology, designed specifically for BB386 framesets. Featuring the exclusive XD-15 15° Angular Contact cartridge bearings, this bottom bracket combines precision engineering with high-performance materials to deliver exceptional durability and smoothness. The bearings are pressed into meticulously machined aluminum cups that thread directly into the BB shell, ensuring an easy installation and a perfect fit every time.

Crafted with the same XD-15 steel used in Enduro’s renowned XD-15 Corsa bearings, these Pro bearings provide a robust 15º angular contact sealed design within a standard-sized cartridge. Their deep-groove raceways accommodate maximum-sized Grade 3 Silicon Nitride ceramic balls, significantly increasing the contact area for superior performance and longevity. Manufactured to the highest standards at Enduro Bearings’ California facility, these bottom brackets combine corrosion-resistant, cryogenically treated nitrogen steel races with premium ceramic balls through a proprietary process, resulting in an unmatched bearing setup that stands the test of time.

What truly sets the XD-15 Pro apart is its unique wear-in characteristic. Unlike traditional ceramic-hybrid bearings that degrade over time, these bearings actually improve with use—the balls smooth the races further, enhancing speed and efficiency. This means you experience the immediate benefits of reduced friction and power loss from day one, with performance that only gets better as you ride more. Backed by Enduro’s unlimited lifetime warranty, this bottom bracket offers peace of mind alongside cutting-edge technology.

What It’s Good For

• Providing a precise and secure fit for BB386 framesets through expertly machined aluminum cups.
• Offering superior durability and longevity with corrosion-proof, cryogenically treated nitrogen steel races.
• Enhancing drivetrain efficiency with Grade 3 Silicon Nitride ceramic balls for increased contact area.
• Maintaining smooth operation and power transfer that improves over time thanks to the unique wear-in design.
• Ensuring reliable performance across axle sizes of 24mm, 29mm DUB, and 30mm, accommodating a range of cranksets.
• Delivering confidence with an unlimited lifetime warranty from a trusted brand in precision components.

What It’s NOT Good For

• Framesets not compatible with the BB386 shell standard.
• Users requiring bottom brackets for axle sizes or standards outside of 24mm, 29mm DUB, or 30mm.
• Applications where non-threaded or press-fit bottom brackets are required instead of threaded TorqTite installation.
• Situations where budget constraints prevent investment in high-performance ceramic-hybrid components.

Frequently Asked Questions

Can this bottom bracket fit any bike frame?
The Enduro Bearings BB386 - Torqtite BB - XD15 Pro is specifically designed for BB386 framesets. It will not fit frames that use different bottom bracket standards.

What axle sizes are supported?
This bottom bracket supports 24mm, 29mm DUB, and 30mm axle sizes, making it compatible with a wide range of cranksets.

How does the ceramic-hybrid bearing improve over time?
Unlike many ceramic bearings, the XD-15 Pro bearings actually get smoother and faster with use as the balls polish the raceways, enhancing performance rather than degrading.

Is there a warranty included?
Yes, Enduro Bearings offers an unlimited lifetime warranty on the bearings and races, reflecting their confidence in product durability and quality.

Explore more high-performance components from Enduro Bearings and complement your setup with compatible parts from the Enduro Components family to optimize your ride experience.