Shimano PD-M545 Cap UnitThis is the cap unit for Shimano's PD-M545 clipless pedals. They fit on the ends of the spindle, sealing the interior of the platform. Right and left cap units sold seperately.FeaturesCompatible pedals Shimano PD-M545 CliplessResources Shimano technical document for PD-545 Pedals | Shimano PD-M545 Cap Unit Black/Yell, Right