The most obvious solution I can think of is to get an inexpensive step-through or vintage mixte bike to dedicate to the trainer. After all, there's no need for a standard men's frame or high performance bike on a stationary trainer. It also solves the problem of sweating all over, and wearing the rear tire out on, your nice bike.
Last edited by davester; 11-05-22 at 02:51 PM.