Hi Alex, our standard chain tensioner look the same but the thickness of the
metal is a lot more, we do however custom machine rear sprockets for
clients, if your in Adelaide you are more than welcome to visit our machine
shop, they can be manufactured from billet aluminium or steel to be more
cost effective, there are many components that are not on our web as yet
that we manufacturer.
If the rear chain tensioner is installed correctly & in plane with the chain
& most importantly set at the right distance from the rear sprocket they
work well, usually if they move down the tension is to great (force), we
suggest always leave about 20mm free play to the top run of the chain.
This came from rock solid engines. So maybe I should hook up one of there's and if I do have problems, bolt it down.