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Sinz Stem Lock
Sinz Stem Lock
Sinz Stem Lock
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Sinz Stem Lock

Marsoni M251S
Sale price$51.00
Pay 4 payments of $12.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Sinz Stem LockThe SINZ Stem Lock is a compression system designed to keep your headset snug and adjusted properly. Stem locks are preferred over star nuts that typically come with headsets. This stem lock is adjustable to any length needed for BMX and is available in 1" and 1 1 8" options. Product Specs: Fit: Available in 1" or 1 1 8" Length: Adjustment options range from 175mm to 270mm Weight: 1": 67g, 1 1 8": 83g
Easy Shipping

Quick Dispatch:

Your Sinz Stem Lock orders ship within 1-2 business days.

Delivery Options:

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

Order Tracking:

You'll receive a tracking link by email once your Sinz Stem Lock ships.

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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]
  • Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 393 reviews
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Product Reviews
C
Verified Purchase
CC
Pawtucket, US
★★★★★ 5
Simple and useful.
Color: Gray, Size: 72" wide, 66" Tall
Really useful and functional. The feet can fall off when picking up but not too much of an issue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 23, 2025
J
Verified Purchase
John McNamara
West Palm Beach, US
★★★★★ 5
Lightweight and mobile.
Color: Gray, Size: 72" wide, 66" Tall
These are a nice and clean looking solution to divide or conceal spaces. They are also very lightweight and easy to store and move around.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2024
M
Verified Purchase
Miriam T.
Massapequa, US
★★★★★ 5
Recomendado
Color: Grey
Exelente! Fácil de instalar y muy efectivo para el propósito para el cual lo compré. Recomendado!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
C
Verified Purchase
Christmas Gift
Grantham, US
★★★★★ 3
Wobbly
Color: Grey
Wobbly and the metal bars keep coming off. Be aware. I’ve tripped over them. Be careful.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
A
Verified Purchase
Amazon Customer
Dallas, US
★★★★★ 5
Very practical for the price.
Color: Black
Very practical for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026

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