Description
The Industry Nine Hydra 2 Boost MicroSpline rear hub is designed for durability and high performance, especially under demanding conditions. It features thicker axles, larger bearings, bigger pawls with an extra tooth, and a reinforced driver ring to handle the torque from powerful e-bike motors. With a fast engagement of 0.41 degrees, it offers quick and efficient power transfer. This 28-hole hub has a 12mm thru-axle, 148mm spacing, and a J-bend spoke interface. It is compatible with Shimano Micro Spline cassettes and uses a 6-bolt rotor mount. The hub is finished in lime green and is designed and built in Asheville, NC.
- Redesigned Hydra 2 Boost MicroSpline rear hub for fast engagement and reduced drag.
- Features thicker axles, larger bearings, and pawls with an extra tooth for durability.
- Compatible with Shimano Micro Spline cassette body for smooth shifting.
- Hub has 28 holes, 12mm thru-axle, and 148mm Boost spacing for reliable wheel setup.
- Equipped with 6-bolt rotor mount for disc brake compatibility.





