The electric bicycle battery holder is made of durable stainless steel and painted black on the surface, making it sturdy and durable. This electric bicycle conversion kit comes with an open slot that allows the adapter to be installed on a bicycle triangle frame with a suitable hole. You can adjust the position along the slot so that larger batteries can be installed in the frame. Two 10mm wide stainless steel hose clamps enhance load-bearing capacity and durability. The elastic design is adjustable and suitable for bicycle frames of different thicknesses. The packaging box is equipped with two nylon pads to prevent damage to the frame. The packaging box includes: 1 stainless steel bracket, 2 adjustable clamps, 2 nylon rings, 4 fixing screws, and 1 installation tool

The packaging box includes: 

1 stainless steel bracket, 

2 adjustable clamps,

 2 nylon rings, 

4 fixing screws, 

1 installation tool