Shimano RD-U6000 Tension & Guide Pulley Set

The RD-U6000 Tension & Guide Pulley Set helps you keep your Shimano rear mech running smoothly by controlling chain movement through the upper and lower pulley positions. You use it to maintain accurate shifts, with each pulley shaped and spaced to support chain engagement and reduce unwanted friction as you move through your gears.Key Features:RD-U6000 guide pulley design: This upper pulley uses Shimano-matched tooth shaping and spacing to manage chain pick-up at the derailleur's guide position, which supports clean movement across the sprockets and gives you a more consis