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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
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Description
Headtube Reducer 37mm to 34mm (1-1/4" to 1-1/8" headset)Problem Solvers Headtube Reducers adapt your headtube to accommodate different fork sizes. These reducers are designed for traditional, external cup headsets. FEATURES: 9mm of headtube reducer fit into frame below lip on reducer Adds 2mm to headset stack height
Problem Solvers Headtube Reducers adapt your headtube to accommodate different fork sizes. These reducers are designed for traditional, external cup headsets.
FEATURES:
- 9mm of headtube reducer fit into frame below lip on reducer
- Adds 2mm to headset stack height
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
4.8 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Awesome stuff
Number of Items: 1
This stuff is awesome. I just did an oil change on my 2001 suburban with 400k miles and It increased my oil pressure at least 10lbs. Very impressed. Even made the engine tap disappear. Will recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
★★★★★ 4
Good Txu
Number of Items: 1
Happy with Product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
GDI ally.
Number of Items: 1
Seems to be effective at reducing oil consumption issue common in many GDI engines.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 5
I would highly recommend this product.
Number of Items: 1
I’m going to purchase this product again. I drive a lot and it’s perfect for me and yes, it does work in my opinion. I noticed a difference right away after the oil change. My vehicle was much smoother.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Great for Subaru oil consumption
Number of Items: 1, Number of Items: 1
Got this for my 2015 Subaru outback for its notorious oil consumption. It seems to be doing the trick causing less oil consumption after 1k miles noticable difference for sure.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
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