Always check the tire first for any sharp things, but found in the past that on the trainer check the rim tape - make sure the spoke holes are really covered - the tube will find its way to somewhere it shouldn’t and flat.
Mike
Always check the tire first for any sharp things, but found in the past that on the trainer check the rim tape - make sure the spoke holes are really covered - the tube will find its way to somewhere it shouldn’t and flat.
Mike