Mono chainring housing 20 and 24 inches black
Designed to protect children from transmission components. It is assembled with an internal housing and 4 screws, sold separately under part no. 8515072.
Would you like to change the single chainring housing on your 20" and 24" bike? You can replace it with a model that matches the color of your 20- or 24-inch children's bike BTWIN.
Color : black