SKU: 55809866598

Promax QR-1 Seatpost Clamp - 34.9mm, QR, Red

Sale price$17.05 Regular price$18.95
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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

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Description

Promax QR-1 Seatpost Clamp - 34.9mm, QR, RedQR 1 seatpost clamps are cold forged and CNC machined from 6061 T6 aluminum alloy. The QR 1, as the name implies, has a quick release lever, making seat height adjustments a snap. Weighing just 30 grams 1. 1 ounces in the 31. 8 size, its as lightweight as it is tough. The head of the lever and the face of the clamp are given a proprietary low friction surface treatment that ensures smooth lever action for the life of the clamp without the need for a

QR-1 seatpost clamps are cold forged and CNC machined from 6061-T6 aluminum alloy. The QR-1, as the name implies, has a quick release lever, making seat height adjustments a snap. Weighing just 30 grams/1.1 ounces in the 31.8 size, it’s as lightweight as it is tough.
  • The head of the lever and the face of the clamp are given a proprietary low-friction surface treatment that ensures smooth lever action for the life of the clamp without the need for a bushing
  • Laser-etched graphics and stainless steel hardware

Product Specifics

  • Material: Aluminum
  • Type: Quick Release
  • Color: Red
  • Diameter: 34.9
  • Defined Color: Red



Today's Stock Status

10+ Available to ship in 2-4 Business Days





UPC: Not available
EAN: 4711103651124
Manufacturer Part Number: SC21-0412QX35-RD
ST0890
182916-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:
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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]
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SKU: 55809866598

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Susan Peterson
Natrona Heights, US
★★★★★ 5
Helped wonderfully with sleep and anxiety.
Size: 180 Count (Pack of 1)
Very good product, Has helped immensely by taking 2 capsules about 2 hrs before bedtime. I have had terrible time falling asleep and these have helped! I’ve ordered about 4 times, don’t want to be with out them.!
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Reviewed in the United States on May 27, 2026
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Mrs. Carolyn P. Ryder
Louisville, US
★★★★★ 5
Why magnesium citrate.
Size: 180 Count (Pack of 1)
We take this product for consistent bowel control. My husband takes two am and pm. I take one am and pm, sometimes take an additional one. Works well.
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Reviewed in the United States on May 29, 2026
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D Lamb
Louisville, US
★★★★★ 5
works great
Size: 60 Count (Pack of 1)
helped with sleep
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Reviewed in the United States on April 26, 2026
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Asil
Massapequa, US
★★★★★ 5
Perfect
Size: 60 Count (Pack of 1)
Excellent quality! No side effects except for great drowsiness with just 1. Take 2 if you need to dream! Good night 💤 Best melatonin I’ve ever had.
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Reviewed in the United States on March 15, 2026
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rene m moore
Houston, US
★★★★★ 5
Works great
Size: 60 Count (Pack of 1)
Great Stuff
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Reviewed in the United States on March 15, 2026

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