Main features:
- Exclusive function:
Compared to the ordinary mask which is not resistant to water, our KN95 mask effectively prevents such infection caused by the slit splash of patient's body flui..
17T Oversized Pulley Wheel System, Save 60% frictional resistance than 11T. Ceramic bearing version can save more than 2.4 watt. Full carbon fiber cages. CNC AL7075 lightweight pulleys and axles
We..
17T Oversized Pulley Wheel System, Save 60% frictional resistance than 11T. Ceramic bearing version can save more than 2.4 watt. Full carbon fiber cages. CNC AL7075 lightweight pulleys and axles Weigh..