Industry Nine, Hydra Classic Boost 6B, Disc Hub, Rear, 28H, 12mm TA, 148mm, Shimano Micro Spline, Green Hole Count:32H 5 litres and in size

5 litres and in size M with a volume of 3

Dual-Layer Bottom Panel: Added abrasion resistance and structure where it’s needed most

Sustainable Construction: Made with recycled materials and produced in a Fair Trade Certified facility

They are simple

Industry Nine, Hydra Classic Boost 6B, Disc Hub, Rear, 28H, 12mm TA, 148mm, Shimano Micro Spline, Green Hole Count:32H 5 litres and in sizeBring your wheel build to life with the Hydra Classic Boost 6B rear hub. Designed for modern mountain bikes, this hub delivers smooth, reliable engagement, robust durability, and precise performance. Its Boost spacing, Shimano Micro Spline compatibility, and striking green finish make it as functional as it is eye catching. Key Features: Boost 148mm Spacing: Enhances frame stiffness and improves cornering precision for modern mountain bikes. Shimano