Over 2,000,000 Million Customers Served!!!

Need Help? Click the Live Chat to Talk to a Gearhead 💪

Enjoy Free Shipping on Orders Over $75 – Available Within the Lower 48 States!

Load image into Gallery viewer, Industry-Nine-Hydra-2-Classic-Rear-Hub-32-hole-6-Bolt-Disc-Shimano-MicroSpline-RRHB2664-Bicycle-Rear-Hub
Load image into Gallery viewer, Industry Nine Hydra 2 Classic Rear Hub - 12 x 148mm, 6-Bolt, Micro Spline, Bronze, 32H

SKU: RRHB2664

Industry Nine Hydra 2 Classic Bronze Rear Hub | 12x148mm Thru-Axle, Micro Spline, 6-Bolt Disc, Enduro & Trail Performance, Reinforced Axle & 6903 Bearings, Heavy-Duty Engineering for E-Bikes & Demanding Mountain Trails

Regular price $470.00
$470.00 Sale price $470.00 Regular price
Sale Sold out
Unit price
/per 
  • Free Shipping Over $75
  • 30 Day Returns
  • Satisfaction Guaranteed!

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

Description
Specifications

Upgrade your bike's performance with the Industry Nine Hydra 2 Classic Rear Hub - the pinnacle of engineering, durability, and precision for trail, enduro, downhill, and e-bike riders. Built with cutting-edge materials and innovative design features, this 12x148mm thru-axle hub delivers unmatched engagement, strength, and reliability in demanding riding conditions.

Materials & Construction

Crafted with a robust bronze finish, the Hydra 2 features a lightweight yet durable hub shell designed with scalloped flanges that maximize strength while reducing weight. The hub utilizes sealed cartridge bearings with large 6903 components and full-contact radial lip seals that effectively keep grit and grime out, ensuring smooth operation over miles of rugged terrain. The axle is reinforced with a 65% thicker design and an improved stress washer, providing enhanced durability under high torque loads, including full-power e-bike applications.

Performance & Engineering

Re-engineered based on insights from over 100,000 Hydra hubs, the Hydra 2 boasts a 6-pawl freehub body with a groundbreaking 870 P.O.E. (Points of Engagement). This innovative design engages every 0.41 degrees, delivering near-instantaneous power transfer and telepathic control. The refined drive ring and increased pawl tooth count further improve engagement reliability, reduce drag, and provide consistent performance even under intense riding conditions.

Components & Technology

Equipped with a Shimano Micro Spline cassette body, this hub offers seamless compatibility with modern high-performance drivetrain components. The J-bend spoke interface allows for versatile wheel building options, while the 32H drilling pattern ensures excellent strength and handling. Designed to withstand the rigors of trail riding, enduro, downhill, and powerful e-bike motors, the Hydra 2 combines technological excellence with trail-ready toughness.

Style & Use Case

With its sleek bronze finish and distinctive style, the Industry Nine Hydra 2 adds a premium, aggressive look to any mountain bike. Perfect for aggressive riders seeking maximum performance on challenging trails, the hub's enlarged pawl pockets distribute force more evenly, preventing deformation over years of use. Its compatibility with 6-bolt disc brakes ensures reliable stopping power, making it a versatile choice for riders pushing the limits.

Innovative & Differentiating Features

- Ultra-Quick Engagement: 6 Pawl Hydra 2 freehub body with 870 P.O.E. engagement points for instant power transfer.

- Enhanced Durability: 65% thicker axle, enlarged pawl pockets, and labyrinth seals provide unmatched strength and longevity.

- Optimized Seals & Protection: Full-contact radial lip seals and proximity dust shields guard against dirt and debris, extending component lifespan.

- Perfect for E-Bikes: Specifically designed to handle the torque and power of full-power e-bikes, ensuring reliable, long-lasting performance.

Whether you're upgrading your trail bike or building a dependable enduro wheelset, the Industry Nine Hydra 2 Classic Rear Hub offers industry-leading engagement, durability, and style for serious riders. Drive your ride to the next level with this technologically advanced hub engineered for ultimate performance and reliability.

  • High-performance Industry Nine Hydra 2 Classic Rear Hub built with aerospace-grade materials for superior durability and weight savings.
  • Engineered with a reinforced 65% thicker axle and 6903 sealed bearings, providing exceptional strength and smooth operation under the most demanding trail, enduro, and downhill conditions.
  • Features innovative 6-pawl Hydra 2 freehub technology with 870 P.O.E., delivering near-instant engagement (.41 degrees) for precision control and quick power transfer.
  • Designed with lightweight scalloped flanges and enlarged pawl pockets to optimize strength, reduce weight, and enhance long-term reliability for aggressive riding and full-power e-bikes.
  • Compatible with Shimano Micro Spline cassettes and 6-bolt disc brakes, this bronze hub blends rugged performance with a sleek, stylish aesthetic for trail-ready performance and modern bike builds.
Rear Axle12mm Thru x 148mm
Cassette Body TypeShimano Micro Spline
ColorBronze
Skewer IncludedNo
Bearing TypeSealed Cartridge
Weight292
Designed for ebikeYes
Defined ColorBrown
Spoke InterfaceJ-Bend
Hub Drilling32
Hub/Brake Compatibility6-Bolt Disc
Shipping
Returns
About Us
Contact Us

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!

The nitty gritty, for specific delivery timelines please pay attention to the delivery timelines on the product pages and the time frame estimated in the carts. If you need a part by a specific day, please contact us by chat, phone, or

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

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.

We provide the you the ability to utilize multiple shipping & billing addresses, based upon what fits your current needs. However you are responsible to maintain and update any new address changes, as 365 Cycles will not be held liable for orders being shipped to an incorrect address.

  • Our Mistake: If we messed it up you can rest assured we are going to make it right. Contact us by email, phone, or chat and we will make your head spin with how quick we fix it
  • Warranty: We are an authorized retailer for everything we sell, so rest assured your product is covered under the manufacturer's warranty. Contact Us if you are having an issue and we will make sure you are taken care of
  • Just don't want it anymore: We have a 30-day return policy for orders within the US. We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. If it's returned in this condition it may be denied and sent back to you

If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

*Please allow up to 3 business days for us to process your return*

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!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

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


Company Core Values: 

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. 

Customer Loyalty

Put yourself in their shoes and support those who support us.

You Control the Outcome

If it is to be, it’s up to me" You are personally responsible for controlling the outcome.

Seek Understanding

Understanding the answer is more important than the answer.

Progress Not Perfection

Pick a direction, analyze the results, and be willing to change course.

Will to Win

Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

Keep Moving

Move the body, move the mind, and remove any hurdles to achieving an active lifestyle.

Do the Right Thing:

Doing the right thing is more important than doing the thing right.

Stronger together:

If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)