Folding Children's Bike Crankset

Material: aluminum alloy

Colour: Black/Silver/Purple/Green

Weight: 450g(crank)  

Features: semi-CNC cutting, sandblasting, anodizing

Product introduction

Outer diameter of shaft: 24mm

Span Q: 150mm

Support frame: 68mm threaded bottom bracket

Support the width of the bottom axis: 95-98mm