... :alloy black cranks, 3/32"x24Tx34Tx42Tx170mm, PROWHEELChain:KMC, Z72F/R Hub:F: hub motor R: alloy silvery, with Q/R, JoytechGear Set:SHIMANO24 ... motor; 36V/10AH,Li-ion batteryPAS: 36V, speed sensor, PedelecDecal:sticker before clean paintingPacking:SKD 85% assembly, one set per seaworthy carton electric bike,electric bicycle ...