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Installed this on my SIEG SX1P and it tracks perfectly with zero slack adjustment needed. The 10mm width seems to provide plenty of surface contact for the pulleys.

The 10mm width was exactly what my SIEG SX1P needed — the fit is snug and it runs smoothly at higher speeds now. It's holding tension perfectly after a few hours of milling.

This belt’s 59 teeth and 5mm pitch synced perfectly with my MT2, and the closed-loop design feels more secure than the open belt I tried before. Installation was straightforward, and I’ve noticed smoother, quieter operation during longer runs. A solid, precise fit that gives me more confidence in th