Alloy rim I meant. . typing too fast with my formerly fat fingers. There is actually a trainer that has this setup (permanent magnets on the frame where the alloy rim passes). but same old same old. . you got to connect your bike to the trainer. I'd rather just ride outdoors or if its raining...
i know this is years later, but simply attaching magnets to the frame so the allow rim passes the magnets will create the eddy force resistance. I do the same thing on my rollers. 3 rare Earth magnets mounted about 2 mm from the aluminum rollers provides all the resistance I need. The faster I...