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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
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Description
Promax MX37 Seatpost Clamp - 31.8mm, Bolt-On, BlackCold forged and CNC'd from 6061 T6 aluminum alloy, the MX37 seatpost clamp is tough, lightweight and safe for use on carbon frames. 31. 8mm diameter black with laser etched graphics and stainless steel hardware. 6061 T6 aluminum alloy Bold on Safe for use on carbon frames Product Specifics Material: Aluminum Type: Bolt On Color: Black Diameter: 31. 8 Defined Color: Black Today's Stock Status 10+ Available to ship in 2 4 Business Days UPC: Not
Cold forged and CNC'd from 6061-T6 aluminum alloy, the MX37 seatpost clamp is tough, lightweight and safe for use on carbon frames. 31.8mm diameter black with laser-etched graphics and stainless steel hardware.- 6061-T6 aluminum alloy
- Bold-on
- Safe for use on carbon frames
Product Specifics
- Material: Aluminum
- Type: Bolt-On
- Color: Black
- Diameter: 31.8
- Defined Color: Black
Today's Stock Status
10+ Available to ship in 2-4 Business Days
UPC: Not available
EAN: 4711103651131
Manufacturer Part Number: Does Not Apply
ST0507
182917-Q0-L
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
4.4 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Great Chair
Color: Black
Very comfortable chair! I’m a big guy - 6’ 2”, 285 lbs. and it fits me perfectly. The head rest is a nice touch and I appreciate it more than I thought I would. Lumbar support is in just the right position and is adjustable (more support vs. less support). It does adjust up and down but not very much. Was also super simple to put together although I did have to crank on the screws that attach the back of the arm rest to the back of the chair. If you’re looking for a place to plant your butt for 8 hours, this is your chair.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great product
Color: Dark Black
Easy to assemble and very good quality
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Reviewed in the United States on May 6, 2026
★★★★★ 1
DO NOT BUY! DO NOT BUY! DO NOT BUY!
Color: Black, Color: Black
Absolute garbage chair. Only had for six month and the mesh on the seat has already come apart after using it for my home office. Chair was squaking after only three months and now I can't even sit in it cause it sags.
Can't even get my money back for this cheap garbage.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Just What I Needed for My Home Office
Color: Black
I’ve been very happy with this office chair. It was straightforward to assemble, feels sturdy, and offers excellent support for long hours at my desk.
The adjustable lumbar support, armrests, and headrest make it easy to customize for a comfortable fit, and the mesh design helps keep the chair breathable throughout the day.
Overall, this chair is comfortable, ergonomic, and a great value for a home office setup.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Great chair for my gaming husband
Color: Black
My husband loves this chair. He is 6’ 4” and he has room in this chair. It is super comfortable and easy to put together. This chair is sturdy and worth every penny.
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Reviewed in the United States on June 7, 2026