The pull pin spring knob is an essential accessory for any exercise bike, offering effortless adjustment with its spherical rotating design. The ergonomic handle provides a comfortable grip, making it easy to use even during intense workouts. Built to last, this durable knob is compatible with a wide range of exercise bikes, ensuring it meets the needs of different users. Installation is quick and simple, requiring no special tools. Features -Color:Multi -Material:Iron -Size:8.00X4.80X4.80cm/3.14X1.89X1.89in -Note: screw -Convenient adjustment: the spherical rotating spring knob design enables adjustments of the exercise bike's pull pin -Ergonomic handle: the handle is designed to provide a comfortable and ergonomic grip, reducing hand strain - durability: built to last, this knob can withstand extensive use without easily breaking or wearing out -Multi brand compatibility: suitable for a wide range of exercise bike brands and models, meeting diverse user requirements -Quick installation: installation process is simple and does not require professional tools, making it convenient and fast Package list: 1 x pull pin