John B. wrote:

What does it say on the box? Should have
a pin length of 6.6-6.8 mm (1/4-9/32")...

??? As I said, Shimano HG 53 and Shimano HG
93 chains. Both described by Shimano as 9
speed chains.

It is the external width of a 9S chain, all
brands. [1]

What does it say on the boxes, for the HG 53
and HG 93, except for the
Deore/Tiagra/Ultegra/XT stuff?


[1] https://en.wikipedia.org/wiki/Bicycle_chain

--
underground experts united
http://user.it.uu.se/~embe8573