Steel Bicycle Crank&Chainwheel CST-0066 Material: Steel Crank Length: 102mm Chainwheel Teeth: 28T Use: Kids' Bikes QTY: 40SET G.W./N.W.:23/22kgs Certification: ISO9001 Colour: as your request Place of Origin: Hebei China (Mainland) Packaging Detail: carton or as your requestDelivery Detail: 15-20 days or as your requestPayment Terms:TT/LC