Bclla Zyaobei-Timing Pulley Engine Drive Belts for DIY Toy Module Car 30mm to 120mm Dia Black Rubber Small Fine Pulley Pully Belt, 1Pack, Used widely
- High-Material: Premium fiber reinforeced rubber, durable and flexible. Accurate transmission: without slipping at work, having a constant gear ratio..
- Smooth transmission,:a buffer, damping capacity, low noise. High transmission efficiency, energy-saving effect..
- Pulley Size : 17 x 5mm/0.67" x 0.2"(D*T).