DERUIZ Mid Motor Electric bike Conversion Kit 36V BBS01B 250W BBS02B 500W 48V
DERUIZ Mid Motor Electric bike Conversion Kit 36V BBS01B 250W BBS02B 500W 48V 750W BBS03B BBSHD 52v 1000W Ebike kits Mid drive Motor with Battery and Display for MTB City Bike Please note: Before you buying, please confirm your bottom bracket size.If you don’t know how to measure and choose,please contact us. 【Motor Compatibility】The 250-750W motor kits are suitable for...