Designed to protect a child from the drivetrain parts.It is assembled with an inner chain guard with 4 screws, sold separately with the reference 8515072.
Do you want to replace the single chainring chain guard on your 20" and 24" bike? You can replace it with a model that is in the colour of your Btwin 20" or 24 " kids bike.
ID 8520122
€4.00
Tax included