3DSWAY 3D Printers Parts GT2 Idler Timing Pulley 20 Tooth Wheel Bore 5mm Aluminium Gear Teeth for 2GT Timing Belt 6mm Reprap DIY

Toothed Idlers used appropriately in place of bearings prevent damage to the belts teeth by allowing it to glide freely and gently cups its teeth as it traverses around the curve.

Smoothed Idlers are purposely designed, with correct flanges and clearance to ensure a belt retains a constant tension throughout its entire stroke in a way bearings could never match.

Teeth Number: 20 teeth

Model: With tooth/ Without tooth

Bore: 5mm

Material: Aluminum

Color: Silver/Black/Red/Blue

Width of gear: 6.5mm (for 6mm belt)