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!

SKU: RRHB2101

Chris King Boost Rear Hub 12x148mm Thru Axle, Micro Spline, 6-Bolt Disc, Matte Black - Precision CNC Machined, Sealed Bearing, RingDrive Engagement System, Strong Canted Flanges, USA Made, Outstanding Performance & Durability for Mountain Biking

Regular price $579.00
$643.95 Sale price $579.00 Regular price
Sale Sold out
Unit price
/per 
Save 10%
  • 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 mountain bike with the Chris King Boost Rear Hub - a precision-engineered component built for advanced trail riding and demanding conditions. Designed with industry-leading materials and innovative features, this hub enhances performance, durability, and reliability on rough terrains.

Materials & Construction:

Crafted with premium, aerospace-grade aluminum in a sleek Matte Black finish, the Chris King Boost Rear Hub combines lightweight strength with superb corrosion resistance. Its one-piece solid axle ensures maximum stiffness, translating to improved power transfer and efficient suspension performance. Heavy-duty sealed cartridge bearings along with threaded driveshell seal rings safeguard against mud, water, and trail debris, ensuring long-lasting smoothness in any environment.

Performance & Engineering:

Engineered for demanding mountain biking applications, this hub features a patented RingDrive system with 72 engagement points, providing rapid, reliable engagement for rapid acceleration out of turns and technical sections. The canted flanges promote stronger, more durable wheel builds, reducing spoke stress and increasing wheel longevity. Designed specifically for the BOOST 148mm spacing, the hub maximizes clearance and stiffness, optimizing your bike's handling and power delivery.

Components & Technology:

Equipped with Shimano Micro Spline cassette compatibility, the hub is compatible with a wide range of high-performance cassette options. The 6-bolt disc brake interface ensures effective stopping power and is compatible with most disc brake setups. Serviceability is simplified with a T10 Torx key and a pick or pen knife, allowing easy maintenance and adjustment without special tools.

Style & Use Case:

With its matte black finish and 32-hole drilled spoke interface, this hub exudes a sleek, modern look suitable for aggressive trail and enduro riding. The Chris King Boost Rear Hub is the ideal choice for mountain bikers seeking a robust, high-engagement hub that offers exceptional performance, reliability, and a lifetime of service.

Additional Features:

- Designed, manufactured, and assembled in Portland, Oregon, USA

- Backed by King's renowned lifetime warranty

- Heavy-duty bearing seals for all-weather riding

- Easy to service and maintain, ensuring peak performance season after season

Optimize Your MTB Build:

Whether upgrading an existing wheelset or building from scratch, the Chris King Boost Rear Hub delivers unmatched durability, precise engagement, and trail-ready performance. Conquer rugged terrain with confidence - choose the premium hub trusted by mountain biking professionals worldwide.

  • Precision-engineered for mountain biking, the Chris King Boost Rear Hub features a robust one-piece solid axle for enhanced stiffness, ensuring maximum power transfer and improved suspension performance on rough trails.
  • Crafted with heavy-duty sealed cartridge bearings and a threaded driveshell seal ring, this hub offers superior protection against mud, water, and debris, dramatically extending service intervals and maintaining reliable operation in harsh conditions.
  • Utilizing the patented RingDrive system with 72 points of contact, this hub delivers exceptional engagement, smooth spinning, and efficient power transfer, making it a top choice for aggressive trail riding and technical terrain.
  • Designed specifically for the "BOOST" 148mm x 12mm thru-axle standard, with canted flanges and 32-spoke drilling, this hub provides strong, durable wheel builds optimized for stability, stiffness, and durability in demanding mountain biking scenarios.
  • Built in Portland, Oregon USA, with the highest quality materials and engineering, the Chris King Boost Rear Hub is backed by a lifetime warranty, offering legendary performance, easy maintenance with T10 Torx serviceability, and a sleek matte black finish for a stylish, high-performance upgrade.
Rear Axle12mm Thru x 148mm
Cassette Body TypeShimano Micro Spline
ColorMatte Jade
Skewer IncludedNo
Bearing TypeSealed Cartridge
Defined ColorGreen
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)