GX-W813C             Small          Medium          Large           X-large
Handle inner width       34cm            34cm               34cm            34cm
Front wheel inner width   57cm            58cm               59cm            60cm
Rear wheel inner width    59cm            60cm               61cm            62cm
Front &rear wheel width    60-68cm        68-76cm           79-87cm         84-92cm
Heigth adjustment         42-51cm         52-62cm           65-74cm         69-78cm
User height for child        100 cm         100-120cm          130-140cm       140-150cm
