The other reason they are popular with gyms (and boat clubs) is twofold; they are virtually indestructible, and whenever do need to replace worn parts, their

The other reason they are popular with gyms (and boat clubs) is twofold; they are virtually indestructible, and whenever do need to replace worn parts, their product support is ace - details manualed, schematics, and parts, even for that forty year old model A. This support extends right across their lineup - at big regattas, they will be there doing for free oar repairs. If you want, you can retrofit the latest PM5 monitor on every model, even including the A, and use it on Zwift and friends. (I have a C2 from '96, and it still goes just like the new one in the gym)