Skewer measures 7.5″ long. If your bike’s skewer is any longer, or if your bike has more than 10 gears on the rear cassette, this skewer (and the trainer) may not work for you. Included is a front wheel riser block which helps level the bike and keeps its front wheel stable
https://www.amazon.com/Conquer-Trainer-Portable-Exercise-Magnetic/dp/B0094KIVQW

