Cross fire: It is a good piece of engineering & gives us a pride as a gym equipment manufacturer. Rough use is expected. A wheel is very strong & does not crack.

Biomechanics is meant to generate perfect pressure on lower body i.e. strengthening & toning of quadriceps. It is very necessary to have quality welding on joints so that alignment remains intact after years of rigorous use to give biomechanically correct movement. Slippage of poly-v belt is avoided.