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Pros & Cons
pros
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pros
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Easy Installation
Customers are extremely satisfied with the ease of installation for the UniTak3D Upgrade X-axis Belt Tensioner, with most reporting a quick and straightforward process that took only minutes to complete.
Adjustable Tension
Customers are overwhelmingly positive about the UniTak3D Upgrade X-axis Belt Tensioner, praising its ease of use and effective adjustability for their 3D printers. The tensioner is well built and makes it simpler to maintain proper belt tension, with some users expressing a wish for a locking mechanism. However, those with larger bed sizes may encounter an issue where the Y carriage hits the tensioner.
Metal Construction
Customers generally praise the metal construction of the UniTak3D Upgrade X-axis Belt Tensioner, appreciating its solid build and polished finish. However, some have noted that the included hardware could be improved for a perfect experience.

Highlights
Quality
So far i am happy with the quality of this item.
Surfaces are smooth and square with no burrs and the bearing is quality.
Within minutes, i had this installed to my ender 3 pro, and belt slack was gone seconds later.
I have a ender 3 pro and the bed carriage crashes into this tensioner.
Price
This is very good for the price, highly recommend this product
Great bargain, looking forward to enhancing the y-axis later, too!
Because this simple add-on cost less than the amount of filament i've wasted trying to figure out what's going wrong, and could... Read More
Cheaper than the ender 3 pros if you buy a cr10 upgrade just need shorter screws witch i had on hand
Competitiveness
This was a cheaper option than purchasing a oem part and a much better alternative.
Overview
- How are reviewers describing this item?
easy, quality, stock, pro and size. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 90% high quality reviews are present.
- This product had a total of 423 reviews as of our last analysis date on Feb 14 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
I wanted a much more solid xaxis belt tensioner
Posted by a reviewer on Amazon
Installation was was very simple on ender 3v2
Posted by a reviewer on Amazon
Could have a bit more adjustment needed to use my screws on the ender 5 pro
Posted by a reviewer on Amazon
After fussing with the original bracket on my cr10s for about an hour i decided to get this and had it installed and adjusted within 15 minutes
Posted by a reviewer on Amazon
Unitak3d upgrade yaxis belt tensioner for ender 3 3d printer 4020 aluminum profileour ender 3 really should have just come with this
Posted by a reviewer on Amazon
The stock tensioner is just sad and imprecise
Posted by a reviewer on Amazon
Belt tensions is one of those tuning items that well all need to do and repeat as the belts age
Posted by a reviewer on Amazon
I did it a little differently than normal i didnt want to bother with detaching the belt
Review Count History
Price History
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