Originally Posted by okieboater
my favorite combo is cataract oar shaft and carlise heavy duty outfitter grade blades.
This is what I use too. But flexibility is one of the advantages
of the Cataract shafts--as well as the shafts you are using. If you want a stiff, inflexible oar shaft, look at Carlisle. The manufacturers of the composite shafts are attempting to replicate the flexibility of wooden oars. You don't waste any of your stroke on flexibility. The flexibility of the shaft merely evens out the effect of your effort.