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Fork spring identification

8.6K views 10 replies 7 participants last post by  Nokkaz  
You’ll need a spring that you know for defo what the NM is and is the same length with the same number coils to compare to the unknown spring. Measure the coil thickness with a caliper, if one spring coil has a 5.1mm thickness and you know that to be a 4.6nm spring then a 5.5mm measured coil will almost certainly be a 4.8nm spring. The difference in thickness between weights of springs is a fraction of a mm.