Features: 1.Eco-friendly Material:Synthetic cardboard handle design, glossy surface, environmental protection and sanitation, saving energy. 2.Wide Application:The round Pop Pull Pin Knob has a wide range of applications and can be used for exercise bikes, bikes, strength equipment, fitness equipment, etc. 3.Easy to Install:This Stationary Bike Knob adopted simple design, which is easy to use and quick to install, and will not take up much of your time, very convenient.! 4.Protect Hands:The injection molding process, the arc design at the bottom of the handle, will not scratch your hands.