KCNC Z6 QR Seat Clamp

Marsoni

M251S

$12.99

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

KCNC Z6 QR Seat ClampFully cnc machined seatpost clamp, anodised 6061 alloy with a stainless steel stud and brass cam collar. Available in 31. 8 and 34. 9mm only, and in Black, Blue, Gold, Silver and Red anodized finish. Machined from 6061 Al alloy Hollow clamp lever patented design. Stainless Steel clamp bolt Weight : 28g (31. 8mm), 30g (34. 9mm)

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Your KCNC Z6 QR Seat Clamp orders ship within 1-2 business days.

Delivery Options:

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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These brackets are heavy duty and came with the correct hardware. They were easy to install, the two holes were so helpful to know where to mark them. I think because they’re heavy duty you can place a good amount of weight on your shelves. The only thing I wasn’t happy with is that 4/69 of shelves, the paint was chipping but it was the perfect gold color.

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Reviewed in the United States on February 14, 2026

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Port

Whiting, US

★★★★★ 5

Really nice looking work great

Size: 4 Inch, Color: Black

Great looking

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Reviewed in the United States on May 8, 2026

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Sharon

Natrona Heights, US

★★★★★ 5

Don't hesitate - Great product!

Size: 12 Inch, Color: Black

Superior quality at an unbelievable savings over local retailers. Hardware for hanging included the cheaper plastic lags yet they also included the heavy duty lags, so no tapping in to our supply. Thank you for a great product

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Reviewed in the United States on December 13, 2025

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GoldenLover

Whiting, US

★★★★★ 5

Great design

Size: 12 Inch, Color: Black

Solid and reliable. I like the upturned ends for safety. Well designed.

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Reviewed in the United States on February 18, 2026