mbgreene said:Where did you get your info fromDid someone measure for you?
The AL (along with the Silo/Silo Spec/ Luke/Axis etc.) are all listed per specs at 1-5/8" at the nut. The JP is 1/16th wider.
1-19/32" would actually be narrower than 1-5/8" (or 1-20/32")