Bicycle indoor trainer made by Cycleops. -Fluid resistance unit provides a quiet and consistent ride. -Progressive resistance offers the widest resistance range and road-like feel. -Eccentric leveling feet allow for easy adjustment on uneven surfaces. -Comes on a sturdy, foldable frame. -Adjust tire fit to resistant unit with a convenient turn knob. -Resistance unit roller allows for 700c, 26", 27" and 29" wheel sizes – up to a 2.0 tire. -This trainer is designed to fit common road and mountain bike frames with included steel quick release skewer and is compatible with rear dropout spacing: 120mm, 130mm -All of our trainers are tested to the combined weight (rider and bike) of 300 lbs. -Trainer skewer included. -Formerly branded as CycleOps Fluid bike trainer. *Although this is not a “smart” trainer, you can simply mount your bike, then use your on bike computer to transfer info to any training computer platform.