Shimano Deore RD-M5120 Tension & Guide Pulley Set - SGS

The Shimano Deore RD-M5120 Tension & Guide Pulley Set helps you maintain smooth chain movement in your rear mech. You use it to replace worn pulley wheels so you restore crisp shifting, supported by sealed bearings and precise tooth profiles that manage chain flow under load.Here are the key features of this pulley set:Sealed Bearing Tension Pulley: This pulley uses a sealed bearing system that reduces friction and shields the internal surfaces from dirt and moisture, which helps you maintain consistent chain tension and results in steady gear changes during regular off-road use.Guide Pulley with Shaped Tooth Profile: This guide pulley features a profiled tooth design that aligns the chain as it enters the cage, helping you reduce unwanted noise and directing the chain smoothly across the cassette, which contributes to precise and predictable shifting.Shimano-Specific Fitment: This set is engineered to match the RD-M5120 SGS cage dimensions and mounting layout, which enables a direct fit using your existing hardware and allows you to restore the original shifting performance of your drivetrain.This pulley set helps you keep your drivetrain running cleanly by replacing parts that wear through regular riding. You gain reliable shifting in muddy or dry trail conditions with low effort during installation. It is a practical addition to your maintenance kit when you want predictable performance from your Deore rear mech.The Deore RD-M5120 tension & guide pulley set, SGS is product number 6 in the attached image.