Non-Threaded bottom brackets for SRAM and Truvativ cranksets. Engineered with the right materials for the application, including sealed cartridge bearings.

Item Specifications: Weight, 111, BB/Frame Interface, BB121, Spindle Interface Type, SRAM/Truvativ GXP, BB Shell Width, 121, Defined Color, Black, keyword search, Fat Bike, Bottom Bracket Shell I.D., 41,

SRAM Truvativ GXP Sealed Cartridge Fat Bike Bottom Bracket | Steel Bearings & PressFit 41mm Shell

Reference Number: 8N41V5

Upgrade your fat bike performance with the SRAM/Truvativ GXP Sealed Cartridge Bearings PF41 Bottom Bracket - engineered for durability, precision, and seamless power transfer. Designed specifically for fat bike enthusiasts and aggressive off-road riders, this press-fit bottom bracket ensures optimal alignment and smooth pedaling on mountain trails and rugged terrains.

Materials & Construction:

Constructed with high-grade steel sealed bearings and durable composite cups, this bottom bracket delivers exceptional longevity and resistance to dirt, mud, and water. The sealing technology prevents contaminants from entering, maintaining consistent performance even in challenging conditions.

Performance & Engineering:

The GXP spindle interface (24/22mm) provides a stiff, reliable connection for SRAM and Truvativ GXP cranksets. Its 41mm shell diameter and 121mm shell width optimize compatibility with fat bike frames, ensuring a secure fit and efficient power transfer. The wave washer and bearing shields contribute to reduced friction and prolonged bearing life, making it ideal for intense rides and lengthy adventures.

Components & Technology:

Includes a precision 37x24x8mm bearing set with integrated wave washer, designed to support the demands of fat biking. The sealed cartridge design simplifies installation and maintenance, while the use of shop-quality headset presses ensures proper seating and alignment.

Style & Use Case:

Elegantly finished in classic black, this bottom bracket seamlessly integrates into your fat bike's aesthetic and functional setup. Perfect for off-road explorations, mountain biking, and winter fat biking, it delivers consistent performance across varied terrains and weather conditions.

Innovative & Differentiating Features:

- Specifically engineered for fat bikes with a 41mm shell ID and 121mm width

- Compatible with SRAM/Truvativ GXP cranksets and non-threaded PressFit PF41 shells

- Sealed steel bearings with composite cups for superior durability and weather resistance

- Easy installation with recommended shop-quality headset press

- Optimized for aggressive riding, ensuring reliable power transfer in demanding environments

Maximize your fat bike's efficiency and reliability with the SRAM/Truvativ GXP Sealed Cartridge Bearings PF41 Bottom Bracket - the ultimate choice for serious riders seeking high-performance and longevity on rugged terrains.

  • High-precision sealed cartridge bearings with durable steel construction ensure smooth, reliable power transfer for Fat Bike SRAM/Truvativ GXP bottom brackets.
  • Designed specifically for PressFit PF41 shells with a 121mm shell width, offering a perfect fit and optimal performance on fat tire mountain bikes and off-road fat bikes.
  • Features integrated wave washers and shields that protect against dirt, debris, and moisture, extending bearing lifespan and enhancing overall drivetrain reliability.
  • Compatible with 24/22mm spindle diameters and GXP cranksets, this bottom bracket supports aggressive riding styles with a 47.5mm road or 51mm MTB chainline, enhancing pedaling efficiency.
  • Constructed with high-quality composite cups and steel sealed bearings, this bottom bracket provides a lightweight yet robust solution for fat bike enthusiasts seeking durability and top-tier engineering.
Item Specifications
Bottom Bracket Shell I.D.41
BB/Frame InterfaceBB121
BB Shell Width (mm)121
Weight111
Spindle Interface TypeSRAM/Truvativ GXP
Defined ColorBlack
keyword searchFat Bike
Bottom Bracket Shell I.D.BB121
BB Shell Width (mm)121mm
Bearing TypeSteel
Crank Spindle Diameter24/22mm
InterfaceGXP
Bottom Bracket Shell I.D.41mm
Defined ColorBlack
ShellBB121
ColorBlack
Model NameTeam Steel
Spindle InterfaceSRAM GXP
Shell ID41mm
Width121mm

Why 365 Cycles?

365 Cycles is an Authorized SRAM Dealer, and we offer the Full SRAM Warranty!

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We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.





Shipping & Handling

Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.

Please allow 1-2 business days for your order tracking to update.

  • Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
  • Friday afternoon -Sunday orders ship the following Monday
  • Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.

Combined Shipping Discounts

To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.

Returns

365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.

Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.

Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.

If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!

Exchanges

If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.



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Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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