The exercise bike locking pins are designed to provide secure and easy adjustments for your fitness equipment. Featuring a ball-shaped knob and a spring-loaded pull pin, these pins allow a firm lock and comfortable handling. Ideal for home gyms, they enhance the functionality and safety of your exercise machines. Features Thread: Rod diameter: 8mm -Color:Multi -Material:ABS -Size:8.50X5.00X5.00cm/3.34X1.97X1.97in -Robust build: constructed from this pull pin knob allows durability and performance -Removable design: the pull pin knob features a removable design, making it easy to install and replace as needed -Simple installation: with an easy installation process, this fitness machine replacement knob allows for quick and simple replacement of fitness equipment parts -Wide compatibility: suitable for various fitness machines, this exercise machine adjustment knob enhances the overall functionality and effectiveness of your workouts -Rotating ball feature: the ball shape rotating design provides flexibility, making adjustments more convenient and userfriendly Package list: 1 x treadmill rotating pull pin