Quote:
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.
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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.