Bicycle crankset screw
Features: Mainly used to modify the chainrings, using 7075 aluminum alloy material, will not rust, such as iron, steel is easy to rust and corrosion, the weight is much lighter than steel/iron plate nails, it can be called a lightening tool
Product information:
Material: 7075 aluminum alloy
Specifications: Single/Double
Size: 9.6*1.6*12mm
Net weight: 1.7g
Packing list: screw *5