measurement

Measuring the chain slack is not easy: A ruler is not easy to position, you get dirty.... So I have made this simple instrument with a picece of hard wood. Cut an angle of the piece and mark the zone width a with from 44mm to 49mm. The recomended slack is 51mm to 56mm but measured to the center...

I currently have the suspension set up at factory settings, ie everything at mid point. Now I'm no expert but having read a few articles I thought I'd try a sag test. So by measuring the height of the front and rear indicators before and after sitting on the bike I have 25mm at the front and...