Review on 🚴 FitDesk Universal Saddle Extender for FDX 2.0 and 3.0 Models - Adjustable Exercise Bike Seat Adapter - Sturdy Steel Welded Construction - Leg Extension for Individuals 6-Foot Tall or Taller by James Cash

Based on measurements on other posters I decided to try this on my Schwinn AD2 Airdyne exercise bike. I'm happy to report that this works quite well. I was having trouble getting bolts into nuts with both washers, so I ruled out the flat washers and just used lock washers. The adapter is firmly attached but will likely need to be tightened from time to time. I couldn't get the seat down all the way. If I decide to keep the saddle I'm testing, I'll put more effort into lowering the saddle even lower. The seat had its own connector which was identical in size to the one that comes with this adapter. Including shipping for each of them, this product costs less than 37% of the price of any other adapter.