steel bicycle crank&chainwheel
Material: Steel 
Crank Length: 89mm/102mm/114mm 
Chainwheel Teeth: 28T/36T 
Use: Kids' Bikes  QTY: 40SETS 
G.W./N.W.:23/22kgs
Certification: ISO9001
Place of Origin: Hebei China (Mainland)
Packaging Detail: carton or as your request
Delivery Detail: 15-20 days or as your request
high quality and competitive price