Dimensions:
Wheels 260 x 80mm
Wheel Supports 400mm x 20mm square
Frame protrudes 500mm
Wheel supports Fit legs 20mm square. The handle bar will fit 20mm square or 25mm round.
The item has a 58cm centre, note this will flex by 2-5cm so as long as you are close to this measurement you will be fine if fitting to other makes.