..the fastest...ask Alba what they run now.....you wont hang if you dont have my sheave in a rhino....BTW...the forum is doing great...shipped 50 sheaves this week...:D
they are greaseless but perform even better with grease....we have always used the ODs because they dont have roller flop not because they are greaseless...Alba got 7 more hp over any sheave they had ever tested!!!!......we are fine tuning it to the max......JBS SHEAVES!!!!