These are spare parts compatible with the UltiMaker S5.
Single Pulley Assembly (Gear Ratio) UMS5/S3
$25.40
The single pulley assembly (Gear Ratio), assembled with a set screw, is used on the Ultimaker S-Line printers. This is an official Ultimaker part for the following machines: Ultimaker S3 Ultimaker S5 Ultimaker S7
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