Sram replacement pulleys

[rancid_chicken]

I am fighting a set of squeaky rear derailleur pulleys on a Sram Force derailleur. Does anyone have a good replacement alternative that is not metal? I've found the metal to be more clunky and not be quite as smooth in shifting as the plastic.

[eliflap]

i am using Extralite pulley wheels

made in delrin , long lasting material