Creality 3D Printer Parts 5PCS Brass Extruder Wheel 40 Teeth Drive Gear for CR-10.CR-10S,S4,S5,Ender 3,Ender 3 Pro,Ender 3 V2

Works as intended

Works great!

I would rather a brim around the edges so the belts don’t come off.

These fit and works perfectly, just like OEM parts should, will buy again as necessary.

Very durable accurate fit works perfectly.

worked perfectly on my 3d printer, the CR-10 mini. Thanks

Really good drive gear for most printers out there. I like that it has two adjustable screws to keep it in place. It lets me adjust the gear slightly to an unworn spot on the gear as it wears naturally over time.

The stock stepper has a press fit gear which is challenging to remove once worn. Cut it off, dont bother with a puller. These replace the press fit gear on the arbor, but use two set screws with a vaguely 1.5mm hex hole to tighten them down. Tightening them down is problematic. Sometimes they hold fine, sometimes the set screws do not provide enough friction and the gear slips. If that happens then good luck diagnosing intermittent extrusion issues. One of mine finally slipped enough to stop extruding part way through a print. If you understand that problem and think it is solvable then this will be good value. I hit my arbor with a small diamond file to give the screws some purchase and that works very well. Up to you.

These are a awesome addition to you fdm printer. These wheels will wear and stop pulling the filament to the extruder. Have these on hand as backups. You’ll thank me later

Works very good in my CR-10