Promax CK-1 Carbon Crank Set

Marsoni

M251S

$367.00

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

Promax CK-1 Carbon Crank SetThe CK 1 crank from Promax is a rare offering in the BMX world being constructed from carbon fibre. A few companies have tried before, but haven't quite cracked the formula. Promax has the experience and the know how to make a BMX race set of carbon cranks work at the top level. Manufactured with a 30mm spindle proves that this BMX company knows what they are doing when it comes to maximising strength and stiffness in this vital component. These

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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.
To process your return/exchange, please contact us at [email protected]
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Bought these for my fiance because his old (other brand) ones were getting very tired. The price was great and they are brightly colored, which I get a kick out of. These do not bunch up while he's sitting, moving around, or pulling up his pants, and are comfortable with pants with a snugger fit around the legs and pelvis. They are soft, breathable, and durable, and have withstood numerous washes without an inkling of fading, tearing, and wear. I had some difficulties with the shipping and the original order never arrived, but this was immediately resolved after one contact with customer service. They were very responsive and sent out a fresh batch minutes later, which arrived very quickly and without any issue. Overall, impressed with the quality of both the underpants and the customer service.

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Reviewed in the United States on December 11, 2023

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Average Guy

West Palm Beach, US

★★★★★ 3

KIND OF BAGGY

Size: Large, Color: A-multicolored-4 Pack

I guess I'm not built quite like the guy in the photo. I found these to be a little baggy. I buy briefs because I don't want baggy. They were, however, comfortable enough. I liked the wider waist band and the elastic was fine. I wouldn't buy them again though.

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Reviewed in the United States on July 27, 2024

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Arshad

Lexington, US

★★★★★ 5

Decent Quality

Size: Medium, Color: Black, Navy Blue, Brown, Heather Grey-4 Pack

as per website. decent quality

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Reviewed in the United States on May 31, 2026

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Daryl Johnston

Port Orchard, US

★★★★★ 5

Comfortable and secure

Size: Small, Color: Black Grey

Nice quality non fly men’s underwear. Pouch holds your gear firmly. Ordered small (30” waist) but ended up ordering same item in medium for more comfort. Also went with the cotton version.

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Reviewed in the United States on November 7, 2025