Bando 3-5MS1850 Banflex ComboBando 3 5MS1850 Ideally suited for short center distances and small diameter pulleys, BanFlex Combos banded construction minimizes or eliminates the turnover problem normally associated with small cross section belts. The ribbed construction provides superior flexibility while maintaining lateral stability. Precision molded, seamless polyurethane ribs provide maximum resistance to oil and traditional lubricants with virtually vibration free operation.