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Devin
> 3 dayI have 3 Standard Ender3s and this is a much needed upgrade. The price is low enough I am not sure why anyone wouldnt pick this up. It does not come with wrenches but the kit you got with your printer has everything you need. Once I found the sizes I need I uninstalled previous tension-er and had this upgrade installed in a little under 3 minutes for each of the 3 printers. All metal design gives a good quality feel. The knob lets me decide how tight I need to belt to be.
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Trogdor
> 3 dayThe toothed idlers wheels wobbled from the time it was opened. Everything else about this tensioner would be great if the idler was good.
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Huy Le
> 3 dayA great choice for anyone who wants to replace the original Belt Stretch Straighten Tensioner on the Ender 3D printer.
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Johnny Simon
> 3 dayIts built nice, but it does NOT work on the ender 3 X belt. The pulley is too small and the belt will run against the 2020 extrusion. Now I have to order a bigger pulley to make it work. What a waste.
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Michael C Brown
> 3 dayAfter fussing with the original bracket on my cr-10s for about an hour, I decided to get this and had it installed and adjusted within 15 minutes. Worked!
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Ricardo Elizondo
> 3 dayExcellent product, will purchase again soon!
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Janet Hane
> 3 dayWas impressed with the quality and strength of the construction. I was happy to find out that I didnt even have to change the length of my belts. They are far superior to the acrylic parts that came with my printer
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Jeanny Cheung
> 3 dayEasy item, lower tension to work smoothly
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Allen Miotke
10-06-2025I purchased this tensioner for my Ender 3 V2 after getting a little carried away tightening the Y-axis belt and breaking the stock tensioner. This was a cheaper option than purchasing a OEM part and a much better alternative. The tensioner is all metal and I have zero fear of overtightening and breaking it. I am very happy with the purchase and would recommend it to anyone wanting to upgrade.
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Ethan Clark
> 3 daySupper easy to install makes adding tension to the x axis simple I like the fact the the bearing is groved for the belt. Should help prevent layer shifts