Looks like a thingy similar to a chain tug with barrell adjusters.
You could do something similar with a slider and something akin to a b-screw so that there's no actual thread on the bike? Just something for the adjustment screw to butt up against...
Looks like a thingy similar to a chain tug with barrell adjusters.
You could do something similar with a slider and something akin to a b-screw so that there's no actual thread on the bike? Just something for the adjustment screw to butt up against...