Description
Upgrade your bike’s performance with the Enduro Ceramic Hybrid XD-15 Bottom Bracket – the ultimate choice for endurance, precision, and durability. Designed specifically for BSA threaded shells with a 24mm spindle interface, this high-end bottom bracket combines innovative materials and engineering to deliver smooth, reliable power transfer on every ride.
Materials & Construction:
Crafted with precision-machined aluminum cups, the XD-15 bottom bracket features deep-groove raceways that house Grade 3 Silicon Nitride ceramic balls, renowned for their exceptional hardness and low friction properties. The races are crafted from corrosion-proof, cryogenically treated nitrogen steel, ensuring resistance to wear and environmental elements, and extending the lifespan of your drivetrain.
Performance & Engineering:
Enduro Bearings’ proprietary manufacturing process seamlessly integrates ceramic ball technology with hardened steel races, resulting in the smoothest possible operation. The design promotes optimal contact area and reduces friction, providing an incredibly efficient pedal feel. Unique to the XD-15, the bearings are “wear-in” – they actually become smoother with use, offering ongoing performance improvements over time.
Components & Technology:
This hybrid design merges the lightweight benefits of ceramic balls with the robustness of steel races, achieving an ideal balance of weight savings and durability. The angular contact cartridge bearings are engineered for high loads and precise alignment, making them perfect for aggressive riding styles like enduro, trail, and all-mountain adventures.
Style & Use Case:
With sleek black anodized aluminum cups, the XD-15 bottom bracket enhances both aesthetics and performance. Its compatibility with standard BSA threaded frames makes installation straightforward, fitting bike setups from 68mm to 73mm widths. Ideal for demanding riders seeking longevity, reduced rolling resistance, and a premium riding experience.
Innovative & Differentiating Features:
– Deep-groove raceways accommodating large Grade 3 Silicon Nitride ceramic balls
– Cryogenically treated, corrosion-resistant nitrogen steel races
– Wear-in technology for continual smoothness and longevity
– Lifetime warranty against wear and corrosion
Upgrade to the Enduro Ceramic Hybrid XD-15 Bottom Bracket for superior durability, seamless efficiency, and an unbeatable riding experience. Built in California, USA, this top-tier component is the perfect upgrade for serious cyclists seeking performance and peace of mind on every trail and climb.
- High-precision BSA 24mm bottom bracket featuring XD-15 15-degree angular contact cartridge bearings for enhanced rotational efficiency and power transfer.
- Constructed with corrosion-proof, cryogenically treated nitrogen steel races and Grade 3 Silicon Nitride ceramic balls, ensuring maximum durability, reduced friction, and long-lasting performance.
- Manufactured in California, USA, at Enduro Bearings’ state-of-the-art facility, this hybrid ceramic bottom bracket combines advanced materials and precision engineering for superior ride quality and reliability.
- Designed for enduro and mountain biking applications, the hybrid setup optimizes performance in rugged conditions, making it ideal for aggressive riding styles and demanding trail surfaces.
- Includes innovative features such as deep-groove raceways for larger ceramic balls, which improve contact area and wear-in smoothing, resulting in a bearing that only improves with time and offers a lifetime warranty against wear and corrosion.
| Shell | BSA |
| Color | Black |
| Model Name | XD-15 |
| Spindle Interface | 24mm |
| Shell ID | 33.6mmx24tpi |
| Width | 68/73mm |






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