Kinetic Road Machine 2.0 Fluid Trainer Quiet, smooth, progressive resistance precisely replicates outdoor ride feel The most reliable fluid trainer available. 6.25 pound flywheel for superior ride feel Fully assembled.Frame fits 22 inch to 29 inch wheels Pairs with Kinetic inRide Watt Meter for power training.Unmatched stability and durability with a lifetime warranty Compatible with Pro Flywheel for 12 pounds of extra inertia