pic: West Coast Altered

[NickE]

Originally Posted by Alex.Norton

The sprockets are for #25 chain. The reason that they are so large is because I was originally planning on using cross braces that are as tall as the sides and the sprockets would need the chain to clear them. I simply haven't been motivated to change them.

As a compromise, you could always make the front and back crossbraces the full height of the sidebeams, and use the half size ones for the in-between crossbraces.

This would allow you to keep the sprockets small and to still retain more strength than having all half size crossbeams.