Precision-machined metal construction ensures long-lasting durability under high tension
Graphite and nylon gaskets minimize friction and wear for smoother operation
Direct fit for both left and right tensioners on X1 and P1 series for easy installation
Maintains correct belt path and tension to prevent layer shifts and ringing
Official replacement part guarantees compatibility and reliability
Summarized by Shop
Restore the smooth precision of your XY axis with the Bambu Lab Idler Pulley. This pulley is a critical component of the belt tensioning system, mounted on the rear tensioner blocks (one on each side).
It guides the XY belts, ensuring they remain taut and aligned during high-speed printing. If you are hearing squeaking noises from the bac