Upgrade your fitness equipment with our reliable pull pin knob. Designed for use with a variety of exercise machines, including indoor bikes and weight benches, this replacement part is built to last. The ball-shaped knob offers a secure and comfortable grip, allowing for easy adjustments. for both home and commercial use, this pull pin knob ensures your equipment remains functional and safe, providing you with a seamless workout experience. Features -Color:Black -Material:ABS -Size:3.50X2.50X2.50cm/1.38X0.98X0.98in -Effective cardio training: engage in highintensity cardio workouts with the spherical rotating pull pin exercise bike, enhancing your cardiovascular levels -Home exercise convenience: the spherical rotating pull pin exercise bike allows you to work out at home, eliminating the need for gym visits and saving -Comfort: featuring adjustable spherical pull pins, this exercise bike lets you adjust the seat height and angle to suit your preferences, ensuring a comfortable workout -Stable and safe: the sturdy design of the spherical rotating pull pin exercise bike provides reliable support, reducing impact and protecting your health during exercise -Multiuse capability: suitable for both home and commercial settings, this exercise bike meets diverse fitness needs, offering a versatile and accessible workout solution Package list: 2 x Pull Pin Knob