I picked up a used tricycle (Babboe Big) and took it to the LBS to adjust the brakes. It brakes well now. However, it is supposed to have a locking pin on the double brake lever for the front wheels. Kind of like a parking brake. The pin does not hold the brake tight enough and so it still rolls. See pictures locked vs when brakes fully engaged by hand. LBS mechanic was stumped. It has Sturmey Archer drum brakes and the original Sturmey Archer housing; the lever is unbranded.
Edited to add: The mechanic tried adjusting the tension to meet the pin but it quickly became too tight to ride (i.e. brakes dragging).
Any idea how to fix this? Or where to find a replacement lever if necessary?
Thanks!!
Wheels don't move when the lever is pulled.
Locking pin is engaged but brake line is not tight enough to stop the wheels.