... experience. closed round rubber, with teeth and Timing BeltFeatures: 1) Time belt type: 9.5X, AX, BX, CX, DXType: 9.5X, AX ... are composed of closed round rubber, with teeth and attached belt or pulley. When working, teeth and trough are in harmony ... and one movement will cause transmission of teeth, chain, and belt.4) High quality and long life.Our products are awarded ...