Yeah this seems to be a big issue just by looking at it and makes me wonder why they didn't use everyday parts like a chain or a sprocket off a bike. Also I wo

Yeah this seems to be a big issue just by looking at it and makes me wonder why they didn't use everyday parts like a chain or a sprocket off a bike. Also I wonder if you could just do all this with a refitting of a rachet lever hoist or something similar.