Industry Nine Hydra Rear Endcaps Kit
Best versatile upgrade for riders switching between different mountain bike frames.
These essential components allow for seamless transitions between different drivetrain standards on your rear wheel. They provide the precise fit needed to maintain optimal hub performance when swapping cassettes.
$40.00
More Hydra options
Industry Nine Hydra Endcap Kit
$31.00
Industry Nine Hydra Freehub Body
$205.00
Industry Nine Hydra Rear Bearing Kit
$60.00
Industry Nine Hydra Bearing Kit
$66.00
Industry Nine Hydra MTN Hub Endcaps
$44.00
Industry Nine Hydra2 Freehub Body
$215.00
Industry Nine Hydra Freehub Body
$250.00
Industry Nine Hydra Front Hub Endcap Kit
$44.00
Industry Nine Hydra Bearing Tool Kit
$60.00
Industry Nine Hydra 2 Rear Endcaps
$44.00
Industry Nine HYDRA CL Rear Bearing Kit
$60.00
Industry Nine Hydra Bearing Kit
$60.00
Industry Nine Hydra Endcaps
$40.00
Industry Nine Hydra Rear Endcaps
$44.00
Industry Nine Hydra Front Hub Endcap Kit
$33.00
Industry Nine Hydra Hub Bearing Kit
$60.00
Industry Nine Hydra Rear Drive-Side End Cap
$20.00
Industry Nine Hub End Caps
$30.00
Industry Nine Hydra Endcap Kit
$33.00
Industry Nine Hydra Rear Hub Endcap Kit
$44.00
Industry Nine Hydra Front Hub Endcap Kit
$33.00
Industry Nine Hydra Rear Hub Endcap Kit
$44.00
Industry Nine Rear Bearing Kit for HYDRA CL MS
$60.00
Industry Nine Hydra Bearing Kit
$75.00
Industry Nine Hydra Bearing Tool Kit
$72.60
Who it's for
- Riders who frequently switch wheelsets between different mountain bike frames
- Mountain bikers riding in muddy or wet environmental conditions
- Cyclists looking to future-proof their premium wheelsets for new bikes
Who should skip it
- Owners of older Industry Nine Torch or entry-level 1/1 hubs
- High-mileage riders who prefer low-maintenance mechanical components
- Budget-conscious cyclists seeking the most affordable axle conversion options
Performance breakdown
Compatibility Precision
Engineered specifically for Hydra hubs to ensure a perfect, wobble-free fit.
Installation Simplicity
Straightforward design makes swapping freehub standards a quick, tool-free process.
Material Durability
High-grade alloy construction withstands heavy torque and demanding trail conditions.
Conversion Versatility
Seamlessly bridges the gap between HG and XD drivetrain standards.
Tolerance Accuracy
Machined to exacting standards to prevent bearing play and drag.
System Integration
Maintains the high-engagement feel of the Hydra hub without compromise.
Key Specs
Compatibility
Hydra rear hubs
Freehub Body Type
HG and XD
Part Numbers
RAX3637, RAX3646
Know before you buy
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