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, SRAM-DUB-Non-Threaded-Bottom-Bracket-121mm-DUB-Bottom-Bracket-CK2193-Bicycle-Bottom-Brackets
Load image into Gallery viewer, SRAM DUB Sealed Cartridge Bearings Press Fit BB121 Bottom Bracket for MTB Cranks

SKU: CK2193

SRAM DUB Sealed Cartridge Bottom Bracket BB121 for MTB Cranks - PressFit 121 Fat Bike BB with Gutter Seal Technology, Oversized DUB Spindle, Lightweight Design, Durable Sealed Bearings, Compatible with MTB and Fat Bike Frames

Regular price $52.23
$55.00 Sale price $52.23 Regular price
Sale Sold out
Unit price
/per 
Save 5%
  • Free Shipping Over $75
  • 30 Day Returns
  • Satisfaction Guaranteed!
Get 5% Off When You Buy 2!

$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

Elevate Your MTB Performance with the SRAM DUB Sealed Cartridge Bearings Press Fit BB121 Bottom Bracket

Optimize your mountain biking experience with the SRAM DUB Sealed Cartridge Bearings Press Fit BB121 Bottom Bracket, expertly engineered for durability, efficiency, and compatibility. Designed specifically for fat bikes and wider frame standards, this bottom bracket ensures a reliable connection between your crankset and frame, delivering smooth power transfer and long-lasting performance on rugged terrains.

Materials & Construction:

Constructed with precision-machined sealed cartridge bearings and high-grade materials, the SRAM DUB BB121 provides exceptional resistance against dirt, water, and debris. The advanced Gutter Seal Technology enhances sealing against the elements, making it ideal for aggressive off-road adventures and harsh riding conditions.

Performance & Engineering:

The innovative DUB spindle system features an oversized spindle diameter that seamlessly adapts across all bottom bracket standards, simplifying installation and maintenance. This larger spindle design reduces bearing load, increases lifespan, and improves overall drivetrain efficiency, ensuring you maximize power delivery every pedal stroke.

Components & Technology:

Equipped with sealed cartridge bearings and cutting-edge Gutter Seal Technology , this bottom bracket offers superior sealing performance, reducing wear and tear over time. Its lightweight design outperforms traditional GXP systems, contributing to a more responsive and agile ride without sacrificing strength.

Style & Use Case:

Designed in sleek black for a professional look, the SRAM DUB BB121 is perfect for fat bikes, trail, enduro, and all-mountain riding. Its PressFit 121 shell accommodates fat bike frames with a 41mm shell I.D. and 121mm shell width, making it an essential upgrade for riders seeking durability and efficiency in challenging environments.

Key Features:

- Compatible with Fat Bike Frame Standards (PressFit 121)

- Gutter Seal Technology for enhanced water and dirt resistance

- Sealed cartridge bearings for longevity and reliability

- Oversized SRAM DUB spindle for universal compatibility and reduced wear

- Lightweight and high-performance alternative to GXP bottom brackets

- Compatible with 41mm I.D. frame shells and 121mm shell width

Upgrade your fat bike or mountain bike with the SRAM DUB Sealed Cartridge Bearings Press Fit BB121 Bottom Bracket, and experience smooth, efficient power transfer with enhanced durability in every ride. Perfect for riders demanding high performance and dependable performance in tough conditions.

  • High-Performance SRAM DUB Sealed Cartridge Bearings ensure maximum durability and smooth rotation for MTB cranksets, even in harsh trail conditions.
  • Engineered with Gutter Seal Technology , this bottom bracket provides superior sealing against mud, dirt, water, and debris, extending bearing lifespan and maintaining optimal performance.
  • Designed for Fat Bike enthusiasts, the press-fit BB121 shell (41mm ID, 121mm width) offers a reliable, secure fit with SRAM's innovative DUB spindle technology that is compatible across multiple bottom bracket standards, simplifying setup and maintenance.
  • Constructed from high-quality materials, the SRAM DUB Cartridge Bearings are lightweight yet robust, reducing overall bike weight without sacrificing strength or efficiency, ideal for aggressive riding and long climbs.
  • Featuring a sleek Black finish and an integrated design, this press-fit bottom bracket seamlessly blends style with function, making it perfect for modern MTB builds demanding durability, performance, and a clean aesthetic.
Bottom Bracket Shell I.D.41
BB/Frame InterfaceBB121
BB Shell Width (mm)121
Spindle Interface TypeSRAM DUB
Defined ColorBlack
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

Based on 5 reviews
80%
(4)
20%
(1)
0%
(0)
0%
(0)
0%
(0)
C
Cliente de Amazon

LlegÔøΩ a tiempo en su paquete original buen producro

T
Taylor

Works perfectly as a bottom bracket but all avid mechanics know that pressfit is not the best

D
Dan MacLachlan

Perfect fit and it came in on Prime

C
Chris NY

Excellent product. Hard to get at the LBS in my area. Many many miles on this BB and not one issue.

T
Tmarino

Performance is great.