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Load image into Gallery viewer, Industry-Nine-28-hole-SRAM-XD-RRHB2389-Bicycle-Rear-Hub
Load image into Gallery viewer, Industry Nine Hydra 2 Boost XD, Disc Hub, Rear, 28H, 12mm TA, 148mm, SRAM XD, Gold
Load image into Gallery viewer, Industry Nine Hydra 2 Boost XD, Disc Hub, Rear, 28H, 12mm TA, 148mm, SRAM XD, Gold

SKU: RRHB2389

Industry Nine Hydra 2 Boost XD Rear Disc Hub - 28H J-Bend, 148mm Boost Spacing, 12mm Thru-Axle, SRAM XD Driver, Durable Aluminum Construction, Gold Finish, High-Performance Engagement & Advanced Engineering for E-Mountain Bikes

Regular price $470.00
$470.00 Sale price $470.00 Regular price
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$10 Gift Card

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Description
Specifications

Upgrade your mountain bike with the Industry Nine Hydra 2 Boost XD Rear Disc Hub in striking Gold-designed for maximum durability, fast engagement, and exceptional performance. Crafted for aggressive riding and demanding environments, this hub combines advanced materials, innovative engineering, and precision components to elevate your ride.

Materials & Construction

Built in Asheville, NC, the Industry Nine Hydra 2 Boost XD features a robust alloy body with thickened axles and larger beargins, ensuring resilience under extreme loads. The high-strength materials and meticulous manufacturing process guarantee long-lasting durability, even in the harshest trails and rough terrains.

Performance & Engineering

Engineered for speed and reliability, the Hydra 2 boasts a 0.41-degree engagement, providing near-instant power transfer for quick acceleration and efficient power delivery. Its redesigned internal mechanism includes larger pawls with an additional tooth and a tougher driver ring-designed to handle the torque generated by powerful e-bike motors and heavy-duty riding. This hub's precision engineering reduces drag while maximizing engagement speed, giving you a competitive edge on the trail.

Components & Technology

Supporting a 28H flange with a 148mm boost spacing and 12mm thru-axle (TA), this rear hub is compatible with SRAM XD cassette bodies, ensuring seamless connectivity with a wide range of high-performance cassettes. Its J-bend spoke interface facilitates strong, reliable wheel builds, while its 6-bolt rotor mount enhances your braking performance with compatible disc brakes.

Style & Use Case

Featuring a sleek gold finish, the Hydra 2 adds a touch of style to any build, making it perfect for trail riders, enduro enthusiasts, and e-bike users who demand durability, speed, and reliability. Whether you're shredding mountain trails, tackling rugged off-road adventures, or upgrading your e-bike setup, this hub provides the performance and aesthetic appeal to match your riding ambitions.

Innovative & Differentiating Features

- Redesigned for extreme durability and less drag

- Faster engagement at 0.41 degrees for responsive acceleration

- Thicker axles and larger pawls for handling high torque, especially from e-bike motors

- Crafted with precision in Asheville, NC, supporting local manufacturing excellence

Optimize your bike's performance with the Industry Nine Hydra 2 Boost XD Rear Disc Hub-designed to deliver unmatched power transfer, durability, and style for serious riders.

  • Enhanced durability with a redesigned structure, featuring thicker axles, larger bearing seats, and a tougher driver ring to withstand the demanding torque of modern e-mountain bikes.
  • Optimized for performance, the Hydra 2 Boost XD hub delivers lightning-fast 0.41-degree engagement, reducing pedal lag and improving responsiveness on technical terrain.
  • Built with precision engineering in Asheville, NC, this rear disc hub combines high-quality materials and advanced components to ensure reliability, smooth operation, and long-lasting performance in all riding conditions.
  • Compatible with SRAM XD cassette systems, 12mm rear thru-axle, and 28-hole drillings for versatile wheel setup options, making it ideal for aggressive trail riding, enduro, and e-bikes.
  • Stylish and distinctive in striking gold finish, the Industry Nine Hydra 2 Boost XD hub offers a perfect blend of innovative technology, robust construction, and eye-catching aesthetics for serious riders seeking premium performance.
Axle Type12mm TA
Cassette Body TypeSRAM XD
Hub Drilling28H
Hub Spacing148mm
Spoke InterfaceJ-bend
PositionRear
Defined ColorGold
Mount | Rotor Size6-bolts
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

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If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


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These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

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