With this bearing wheel, you can effortlessly replace damaged or worn-out parts of the machine without the need to purchase new components. Its durable plastic material ensure use. Features -Color:White -Material:Plastic -Size:7.80X4.90X4.90cm/3.07X1.93X1.93in -Versatile compatibility: suitable for various types and brands of abdominal machines, making it an essential accessory for all fitness enthusiasts -Lightweight design: weighing very little, this wheel is easy to carry, allowing you to work out anytime and anywhere without hassle -Multifunctional use: with the elliptical tube single rail design, you can engage in multiple exercises, providing a fullbody workout experience -Silent operation: the wheel features a noisereduction design, ensuring a quiet workout can enjoy exercising without disturbances -Convenient for all settings: Ideal for home or office use, it enables easy abdominal workouts wherever you are, making fitness more accessible Package list: 1 x exercise equipment bearings