GT2 Idler Pulley 20 Teeth Aluminum With Bearing For 3D Printer 3mm Bore 6mm Wide 2mm Pitch Timing Belt Compatible Ideal For Delta Kossel And Other 3D Printer Axis Upgrades Fits Most Cartesian 3D Printers And Delta Style Gantries

Aluminum GT2 20T Idler Pulley with 3mm Bore, Bearing
✔️ 20T GT2 idler pulley, 3mm bore, 6mm wide, 1 piece pack

This aluminum idler pulley is designed for GT2 timing belts used on desktop 3D printers. It's a common component on RepRap, Kossel Delta, and other belt-driven axes to guide and tension belts for smooth motion.

✅ 20 teeth GT2 pulley with 2 mm belt pitch
✅ 3 mm bore fits standard printer shafts
✅ 6 mm width for stable belt guidance
✅ Aluminum body with bearing for smooth rotation and longevity

💡 What is a GT2 idler pulley used for in 3D printer belt systems?

It keeps the belt aligned and tuned for precise motion in common printer setups.

- GT2 idler guides belt along drive path for consistent travel - Fits 3 mm bore shafts and 6 mm wide GT2 belts - Common in RepRap, Delta, and other belt-driven printers