Joined: Dec 2004
Posts: 12,548
Likes: 797
From: Middle of da Mitten
Bikes: Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, Catrike Speed
I don't believe for a second that the saddle is causing sciatica. But it could be exacerbated by your body position while riding. Recumbent would change your seating position for sure. The easiest way to tell would be to borrow one from a friend for a ride or two.