Industry Nine Hydra2 Rear Hub
Best high performance hub for aggressive trail and enduro riders.
This hub offers near-instant engagement that makes technical climbing feel effortless and intuitive. While the aggressive, high-engagement mechanism creates a distinct, loud buzz that some riders find distracting, the trade-off is a level of responsiveness and durability that handles modern e-bike torque without breaking a sweat.
$470.00
at
Airpark Bike Co
More Hydra options
Who it's for
- Aggressive riders seeking maximum control and acceleration on technical terrain.
- Mountain bikers prioritizing long-term reliability and minimal maintenance for their components.
- Enthusiasts who appreciate a unique, recognizable sound from their high-performance components.
Who should skip it
- Budget-conscious riders or those not needing top-tier performance features.
- Riders who prefer a silent coasting experience or ride in quiet environments.
- Efficiency-focused riders or those prioritizing minimal rolling resistance for long distances.
Performance breakdown
Engagement Speed
Near-instant 0.41-degree engagement provides immediate power transfer on technical climbs.
Durability
Reinforced axle and larger bearings easily withstand high-torque e-bike demands.
Build Quality
Precision-machined in the USA with exceptional attention to structural integrity.
Weight Efficiency
Balances robust, heavy-duty construction with a competitive weight for aggressive riding.
Stress Distribution
Scalloped flange design effectively manages spoke tension for long-term wheel reliability.
Serviceability
Straightforward design makes routine maintenance accessible for most home mechanics.
Key Specs
Weight
292g
Spoke Count
32
Freehub Body Type
SRAM XD
Material
Aluminum
Intended Use
Mountain, E-Bike
Boost Compatible
Yes
Hub Type
Rear
Brake Compatibility
Disc Brake
Disc Mount Type
6-Bolt
Axle Type
Thru-Axle
Know before you buy
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Ask Metto anything about the Industry Nine Hydra2 Rear Hub before you decide.