SWAGTRON Electric Bike E-Bike Rear Derailleur – 7 Speed

SWAGTRON Electric Bike Replacement Derailleurs

-Shimano RD-TY21B – Compatible with EB-6, EB-7 Plus, EB-8, EB-9, EB-10, EB-11 and EB-12

-Shimano RD-TZ500 – Compatible with EB-15

-Microshift RD-M21 Compatible with EB-7 Plus