SIMAX3DV Slot 3D Printer Rollers v-slot Pulley Wheels (13PCS/pack) for 3D Printer

Rubbish. Out of the package 2 wheels had massive cracks all the way through 7 had lots of small cracks and 4 looked ok but they are going nowhere near my 3d printer as I don't trust that they will last. Avoid at all costs

Perfect replacement for the wheels on my 3D printer. Work well, bearings seemed a bit stiff at first but they seem to work fine so no problem!

Spot on does exactly what you need

I so wish I had listened to the other reviews total tosh 17 have spider cracks and some larger the other 9 have serious cracks right from centre to outside and three have a chunk of wheel missing I’m sorry to say theses are crap I’m disappointed in Amazon not looking into the other reviews pointing these problems , please Amazon remove theses from sale and sort out this seller selling rubbish on your website , the seller is a bad seller and by letting them sell through you by association makes Amazon look bad too , by not stopping rubbish being sold like this can be seen as Amazon doesn’t care and are happy to allow total rubbish to be sold On Amazon , I know you have thousands and thousands of sellers and products but as feed back is checked before being added to the site someone must see the negative review one or two just grumpy customers but this product has many many bad reviews and still not been spotted or sorted it out hopefully you might read this in the hope you will do something about it, all I know is when I see this many negative reviews I will no longer take the chance and waste my money and time , don’t buy these they are like a bag of total rejects that someone has bought and trying to sell on , waste your time like I did if you chose but you will only send them back or bin them

Very good quality wheels. They have two bearings. there is no clearance like the ones I bought on another site.