Onyx Thru Bolt (20mm x 118mm)

Marsoni

M251S

$59.95

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

Onyx Thru Bolt (20mm x 118mm)Onyx manufactured aluminium thru bolt produced for Onyx front and rear hubs that utilise a thru bolt system. Available in different lengths to suit the most popular frames and forks on the BMX race market, they come in both 15mm and 20mm diameter. Every bolt includes 2x 2mm spacers. Use these thru bolts with any hub brand that requires a bolt system like this. Note: Physical axle spacing is 2mm less that listed size to allow for compression. eg, 117mm

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This shelf is lightweight, looks nice, and was easy to install. It comes with a little level to help you install it properly. There are plenty of mounting holes to choose from, so it is easy to screw it directly into a stud, or to just use holes that are convenient for you. It comes with a plethora of mounting hardware. I mounted mine a bit high up and chose to mount it upside down so that I wouldn't see the three screws that hold the shelf to the mounting bracket.

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Reviewed in the United States on April 8, 2026

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Miriam T.

Boise, US

★★★★★ 5

Recomendado

Color: Grey

Exelente! Fácil de instalar y muy efectivo para el propósito para el cual lo compré. Recomendado!

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Reviewed in the United States on May 30, 2026

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Christmas Gift

Cuba, US

★★★★★ 3

Wobbly

Color: Grey

Wobbly and the metal bars keep coming off. Be aware. I’ve tripped over them. Be careful.

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Reviewed in the United States on April 21, 2026

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Amazon Customer

Omaha, US

★★★★★ 5

Very practical for the price.

Color: Black

Very practical for the price.

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Reviewed in the United States on May 25, 2026

Jeni & Mark

Waukegan, US

★★★★★ 4

Good for a quick backdrop

This works well for what I needed – a simple background for my kids’ online school. It’s lightweight and very easy to put together, and it stands up fine without needing to mount anything. The color is listed as black, but it’s more of a dark gray in person. Not a huge deal, just something to be aware of. It’s not super heavy duty, but it does the job for privacy and as a video backdrop. Overall, a good, portable divider that’s quick to set up and works well for light use.

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Reviewed in the United States on February 21, 2026