3D printing saddle/carbon saddle/PU foam saddle mountain bicycle saddle with taillight

3D printing saddle/carbon saddle/PU foam saddle mountain bicycle saddle with taillight

Summary

COSY SADDLE launches saddle with taillight

3D printing saddle/carbon saddle/PU foam saddle  mountain  bicycle saddle with taillight
COSY SADDLE launches bicycle saddle with taillight.
It can be highlighted in an emergency stop and can be turned off when not riding. The charging port is type-c.