Sadana Brothers manufactures Rubber made Bicycle Wheel Gyroscope. Sadana Brothers is an ISO 9001: 2008 certified offering a wide range of Laboratory and Scientific Equipments including Heat Measuring Instruments, Light [Optics] Instruments, Mechanics Instruments, Sound Measuring Instruments and Laboratoryware. The Rubber made Bicycle Wheel Gyroscope is used to dramatically demonstrate angular momentum of the satellites and is available with a wheel diameter of 60 cm.