BrandKinetic by Kurt ColorGreen MaterialMetal Wheel Size29 Inches Resistance MechanismFluid Global Trade Identification Number00851061001624 Accurate, Affordable and easy to use, Kinetic introduces new smart series power trainers for 2015 Includes inRide sensor for wireless power-based workouts and fitness test using the Kinetic inRide app. Compatible with pro flywheel for 12 pounds of extra inertia, frame fits 22 to 29 inch wheels. Kinetic trainers are compatible with virtually all bikes. Bikes with a rear thru-axle will require a kinetic traxle thru-axle adapter for use on any trainer