![Drive Train Chain - Hydrobikes](http://hydrobikes.com/cdn/shop/products/1220_large.jpg?v=1545780603)
1220 - Drive Train Chain
The internal drive chain of the drive train (pictured below).
**if you are looking for the external chain that goes around the pedal and to the back spoke, please click here.
The internal drive chain of the drive train (pictured below).
**if you are looking for the external chain that goes around the pedal and to the back spoke, please click here.