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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
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Description
DUB PF121DUB technology features a better engineered bottom bracket and a new spindle design for a more uniform approach to bottom bracket fitment, better sealing against contamination, and a new measure of durability For use with all SRAM DUB fatbike cranks in PF121 BB shells SRAM Model ID: BB DUB PF A1 Attributes BB Bearing Steel BB Shell Type BB121 BB Shell Width 121mm Crank Spindle Diameter 28. 99mm Cup Diameter 41mm Interface DUB Primary Color Black
- DUB™ technology features a better engineered bottom bracket and a new spindle design for a more uniform approach to bottom bracket fitment, better sealing against contamination, and a new measure of durability
- For use with all SRAM DUB fatbike cranks in PF121 BB shells
- SRAM Model ID: BB-DUB-PF-A1
Attributes
| BB Bearing | Steel |
| BB Shell Type | BB121 |
| BB Shell Width | 121mm |
| Crank Spindle Diameter | 28.99mm |
| Cup Diameter | 41mm |
| Interface | DUB |
| Primary Color | Black |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Can’t go wrong with k&n
Size: One Size, Style: Select
Easy to install, works as it should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 8, 2025
★★★★★ 5
Fits a 3.6 v6 Ram 1500 classic
Size: One Size, Style: Select
Good for my truck
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Reviewed in the United States on February 16, 2026
★★★★★ 4
Excellent filter. I recommend it
Size: One Size, Style: Select
Arrived on time as promised. I was able to install it easily on my Jeep Cherokee with 3.2L engine. Good instructions and the part seems to be of good quality. Four Stars only as I have just installed it. Filters are passive components, usually can't tell of their long term quality or reliability unless they leak or cause immediate problems. I recommend this part.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Perfect fit
Size: One Size, Style: Select
Been using these for years and always hold up well.
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Reviewed in the United States on March 9, 2026
★★★★★ 5
2016 Acura Air Filter
Air filter for my 2016 Acura RDX fit great, installed it myself in one minute. Arrived at my house on time and in good condition, driver very courteous and respectful. Thank you very much Rick F.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 22, 2026