How do you Measure PCD on a chainwheel?
myopic
Posts: 692
I want to replace an old chainwheel which got bent and lost a tooth. I know I need to know the PCD to decide on a replacment but I don't know how to measure this. The current wheel has 44 teeth (or should have 
), 4 arms and bolt holes are about 125 mm apart.
), 4 arms and bolt holes are about 125 mm apart. You don't need eyes to see, you need vision
0
Comments
-
Easy on a 4 arm, just measure from the centre of one hole to the centre of the hole opposite.0
-
-
That's great, Thanks!!You don't need eyes to see, you need vision0
