Originally Posted by
sean.hwy
I have a 14 inch metal ruler I bought on amazon that I use to check my chains. It was kind of pain when most ruler only went to 12 inches but you to to measure just little bit past that.
I have the park tool one also but I don't trust it as much.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
i was using a very nice 18” ruler, and was not measuring any appreciable elongation! certainly not 1/16” in a foot. that’s why i hadn’t changed the chain… a bit of a mystery.