Hope Pro 5 Front Hub The classic, improved and refined. Calling upon decades of manufacturing experience, and building off of the highly successful Pro 4 Hub, the Hope Pro 5 Front Hub boasts a slew of new features, refinements, and upgrades, making it one of the most durable and high-performance hubs available. The Pro 5 uses a new axle design to create a faster-rolling, more reliable hub. The Pro 5 uses a larger hub flange, creating stiffer wheel builds, resulting in better power transfer. The updated hub shell and smaller axle diameter accommodate a larger hub bearing for increased run life and durability. The redesigned hub shape even increases stiffness. Pair this Hope 5 Front Hub with the rear Pro 5 hub for. How do you improve on a classic? Just ask Hope Technology. Features Redesigned and upgraded from previous Pro 4 hub, balancing drag, durability, and performance Larger bearings than the Pro 4 are accommodated by the larger hub shell and narrower axle, resulting in longer wear life and increased longevity Updated hub shell designfor improved stiffness and durability Fully rebuildable with common hand tools and easily upgraded or converted to new axle standards SPECIFICATIONSSpoke Interface J-Bend Disc Brake Type Centerlock, 6-Bolt | Hope Technology | Pro 5 Boost Front Hub | Blue | 15X110Mm, 6 Bolt, 32 Hole