Detailed Product Description

1)       Streamline design, convenience installation.

2)       Decelerate rate 1:1.7 .save 20% pull power. Dont need cycle chain.

3)       Material: import spring, metal mandril; PA/POM/ABS, 1.5mm thickness metal bracket,

4)       End plug use compression spring to adjust distance, easy to install;

5)       Use 7.0mm chain. Installation: wall or ceiling;

6)       Max load 8KG, Max area 14 square meter.