Folding Children's Bike Crankset

Material: aluminum alloy

Colour: Black，Silver

Weight: 450g/140mm(crank)  

Set Weight:605g(25T)   613g(28T)   619g(30T)   626g(32T)   638g(34T)   642g(36T)   643g(38T)

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