UniTak3D Ender 3 V2 Y-axis Belt Tensioner Upgrade for Creality Ender 3 V2 Ender 3 Pro CR10 Mega Zero 2.0 Flashforge-Aquila AURORA-A5X 3D Printer 2040 Profile

This is very good for the price, highly recommend this product

I had a belt starting to sag a bit so I decided to pick one of these up and its went right one easy and has made keeping the belts tight SOOO much easier.

This is the second one that I have purchased. Work great and you can adjust on the fly. When installing you can take the item apart and install it without messing with the belts. Happy!!! Thanks

A great choice for anyone who wants to replace the original Belt Stretch Straighten Tensioner on the Ender 3D printer.

I purchased the 2040 size for my Y-Axis and 2020 for my X-Axis for my CR-10 V3. The X-Axis installed quickly and easily. The Y-Axis would not install correctly, no matter what I did. It turns out that the bolt they provided was too long, and the t-nut did not have space to lock into place. I did have some bolts that were the correct size (M3x8mm) and was able to install the Y-Axis with the correct bolts. Other than the incorrect bolt size, everything else seems to be of good quality. If the right bolts were included from the get-go (and based on other reviews, it probably is for most orders), this is a 5-star product.

Works great!!!! I had one I printed and it worked but this is so much more fitting for the printer style....strong and slim!!! I love this x axis belt tightener!!! Went on easier than the printed one and is super solid Perfect upgrade for an ender 3

Right Bracket, wrong bolt and wrong bearings to hold the belt. Both dont even fit in the bracket! Look somewhere else

This really helps keep the x axis belt tight. Has really improved my print quality.

could have a bit more adjustment, needed to use my screws on the ender 5 pro. Bought 3, 1 for x, 2 for y

After 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!