Name: Hollow integrated crank chainwheel
Material: aluminum alloy
Type: Five-jaw folding bike crank
Weight: crank about 675g , bottom bracket about 105g
Specification: length 170mm, BCD130mm
Crank color: black/red/silver
Disc color: black/red/silver/colorful
Features: polishing process, high-end centra hollow type

Note: Please make sure that the BCD of the crankset is 130mm.
BCD is the circle surrounded by 5 holes in the crank. The diameter of this circle is 65mm from the crank hole to the crank center. (Note the distance from the side of the chainring to the plane)