A: The noise of X3 tire-grinding cycling trainer is relatively loud when riding at high speed. Other direct-drive trainers are very quiet, and basically the loudest noise during the ride is the sound of the chain transmission (which is unavoidable).
A: The noise of X3 tire-grinding cycling trainer is relatively loud when riding at high speed. Other direct-drive trainers are very quiet, and basically the loudest noise during the ride is the sound of the chain transmission (which is unavoidable).