KOSTKA Front Box 20 is suitable for KOSTKA Footbikes with 20" wheel and 65 to 100 mm hub width. Front Box can also be used with KOSTKA Fenders (all accessories are compatible). Maximum load capacity is 20 kg. There is also a fastening material included in the package, so you can mount the wire basket onto the Front Box, you can find one here, or you can just use the one you allready have. The standalone Front Box can be used, for example, when you are mounting a mat onto your footbike.