【Most Common Size】 - Pop Pin Knobs for Stationary Bikes M16 Knob ( 16 mm - 0.63" very close to 5/8") for most bikes with metric system. E.g. bikes by Sunny, PooBoo, L-Now, Snode, Exerpeutic, Pleny, Yosuda, Ativafit, Faafuu - 95% of Amazon brands as well as domestic brands manufactured in China
【Widely Used 】- Wide range of applications for exercise bikes, strength equipment, fitness equipment, some weight benches etc
【Quick Release 】--- The knob comes with built-in spring handle, will not scratch your hands due to winding
【Easy to use】--- Easy to use and quick to install, and will not take up much of your time, very convenient.
【Better Pull Pin Spring Knob】--- Built to strict quality control standards, design improved for high quality
