This Biktrix Replacement BATTERY PACK, Range Extender Kit for Duo Series is a secondary battery on the Juggernaut Duo series bikes along with the Juggernaut FS Pro 2/3.
Use this battery if you want to ride even further than you can with just the internal hidden battery.
A high-quality design and many power options provides reliable power and range to extend your bicycle ride.
Fits:
- 52V16Ah / 52V17Ah Batteries incompatible with 17" Medium Frame
- 52V19Ah / 52V21Ah Batteries incompatible with 17" Medium Frame
- 52V16Ah / 52V17Ah Batteries only compatible with 20" XL Frame
- 52V19Ah / 52V21Ah Batteries only compatible with Large Size Frame
Important:
- This battery has 3 different case heights- the larger 17Ah and 21Ah models may not fit smaller Step-Over frame sizes. Consult the pictures here for battery height and notes below for frame size compatibility.
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If you have a Juggernaut Duo Series bike you will need a Range Extender plate to connect your battery to the bike. When buying your battery here the plate will be included.
