Another thought, ...for road bar V brakes
there are 'noodles' with a cable adjuster on their top end .
because unlike straight bar levers , no adjuster is on road levers..

you can loosen that and make cable slack , then tighten it again
once its back together..

right at the wheel caliper..
https://www.sjscycles.co.uk/cables/t...juster-90-deg/