We did, and have been testing a set on the rear of a mountain bike for some time now. They replaced a Shimano XTR rim brake set. Like so many other specialty bicycle parts, these things are expensive in...
Over the years I have had so many bikes that just break down!!! What a drag you want a nice bike you get it and then two weeks later it breaks down and you are out of a perfectly good bike!!! Whats the answer...