1）、Function

1. 1. Clutch: Reduction Ratio 1:175;
2. 2. Fit with 4.8*6 chain and 43mm tube
3. 3.End Plug: Rotary rebound type, easy to install
4. 4. Bracket: 2.5mm Bracket
5. 5. Max Load: 8 KG
6. 6. Max Area:10 square meters (max high 5.5 meters)
7. 7. Life span: > 5,000 cycles

2）、 Specialty

1. 1. Material: The shell use high quality engineer plastic materialsPOM, PA, ABS.
2. 2. The body of the clutch: use metal core
3. 3. Bracket with A3 steel plate
4. 4. White Color, availble for brown, black, beige, grey color.