Application It is suitable for 26-29 inch bikes and 700c bikes such as mountain bikes and road bikes, and is also a good choice for indoor workouts. Specifications Colour: black Material: steel, engineering plastic, aluminum alloy, Nylon Surface treatment: Injection molding Type of friction: oil Type of mounting: Free Stand Bike type: Road bike Assembly Required: Yes Thickness of tubes: 1.5 mm/0. 05inch Bottom tube diameter: 38mm/1.49 inch Distance of lever clamp: 11-12cm/4.33-4.72 inch Noise: 40-60db Load capacity: 150kg/330.69 lbs Fits bike: 26-29inch, 700C Bikes Product size: 55 * 48 * 40cm/21.7 * 18.9 * 15.8 inchPackage Size: 59 * 19 * 49cm/23.22 * 7.48 * 19.29 inch Gross Weight: 10kg/22lbs Package included 1 * Fluid Bike Trainer Stand All accessories for mounting Notes 1. Please check the size carefully before ordering and note that the bike is not included. 2. It is recommended to replace the original tires with smooth tires if the tread structure is too deep (which can lead to a loud voice). 3. It is recommended to place a yoga mat (not included) under the base to reduce the contact between the base and the ground to reduce sound. 4. It is recommended that after the tire comes into contact with the resistance roller, the adjustment nut rotates three more revolutions to fully apply force to the tire. (Loose contact area between tire and drum may cause tire burning and increased noise) 5. It is suitable for standard tires of road bikes and mountain bikes. Thick tires are not suitable. After connecting with the trainer, the distance from the center of the tire to the ground is approximately 15.16 inches. It can be adapted to the running or through axle wheels, but an adapter is required. 6. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you don't mind before ordering.