Quick switch design with gentle switch button, can be adjusted as desired.
Has a heavy-duty lock equipped with two heavy-duty locks to help fix it quickly and safely against the wind.
Material: Nylon (inside) + Polyester (surface) + Reflective strip, Combining the advantages of many different materials
The inner gear is made of zinc alloy metal, the outer shell material is ABS plastic, comes with two aluminum alloy carabiner clips