Promax C-1 Chain Tensioners

Marsoni

M251S

$25.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Promax C-1 Chain TensionersPromax C 1 chain tensioners are the perfect upgrade for you race bike if you're looking to add a little colour to the rig, or if you are installing them as insurance against your axle slipping. If you have a frame without a inbuilt chain tensioner system, then you are risking going over the bars if your hub moves in the dropouts, using your face as a brake. Avoid the hospital and dentist with these budget friendly, and colourful alloy chain tensioners

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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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.
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I absolutely love this 4-panel room divider! It was super easy to assemble — I had it set up in just a few minutes. The material isn’t too see-through, which gives just the right amount of privacy while still letting some light through. It does exactly what I needed it to do and looks so clean and sleek in my space. Perfect balance of style and function — highly recommend!

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Reviewed in the United States on November 7, 2025

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Virginia C.

Lake Worth, US

★★★★★ 5

A quick private space

Color: Black, Size: Standard - 4 Panel

Went together easily, just the right height and width for just a bit of privacy.

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Reviewed in the United States on March 3, 2026

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C.L.

Pawtucket, US

★★★★★ 5

Excellent privacy shade.

Color: Coal Black

This delivered on exactly what it promises. So happy with the quality for the value. The shades are a fabric, nylon like, that are attached with a pocket on one end and velcro that adheres around the bar on the other. This was incredibly easy and straightforward to put together. Every piece was clearly labeled, coordinated with the instruction sheet, and fit perfectly. Honestly, I wasn’t planning to leave a review but I was so impressed by how clearly labeled and well explained the instructions were that I felt compelled to note it. Especially for anyone who doesn’t like putting things together, or is used to subpar instructions, this is leagues above the rest. It’s such a simple build anyway, but after buying so many things that barely fit as they should, this stands out. It is lightweight and easy to move. Offers privacy when opened, then can be folded out of the way. It looks exactly as pictured. No complaints, it’s a solid item and worth the price.

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Reviewed in the United States on April 9, 2026

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Courtney A.

Massapequa, US

★★★★★ 5

Decent quality for the price

Color: Grey

Decent quality for the price. Other privacy screens were extremely out of my budget, but this looks and works just fine- I just needed something simple to place behind my couch to hide some clutter. It took me about a half hour to assemble, but it was easy enough. It might be due to my carpeting, but I don't trust that the screen would be stable enough to stand freely without falling. Thankfully my plan all along was to wedge the screen between the couch and a box of clutter anyway, so for me it works as l'd planned!

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Reviewed in the United States on April 10, 2026