I do not know about 5 mm but I do have 6 mm with the 81 date code. I have 8 mm with 82 date code and 6 sided ones that are 4.4 mm and dated 81. Steven Willis The Bike Stand 1778 East Second Street Scotch Plains NJ 07076 908-322-3330 http://www.thebikestand.com
> My Woodrup is truly a 6-speed bike. Some 126 frames have just enough
> clearance to allow a 7-speed freewheel, but this old girl does not. The
> (unmentionable off-topic modern) chain likes to saw at the bottom of the
> seatstay if I shift to the small cog, and we can't have that, can we?
>
> While trying to add 2 mm of spacers to the drive side of a 6-speed old
> Record hub axle so it'll work on my Woodrup with a 7-speed freewheel, I
> broke the non-drive side locknut. Armed with my newest instruments of
> destruction, new Park cone wrenches, I overtightened the locknut and split
> it. I never thought of myself as ham fisted before, but ...
>
> So I need a new part, and my other Campy hubs can't be donors. This
> locknut
> is only 5 mm thick, and all my others are 8 mm thick. The spacers are
> already pretty thin, there's not an extra 3 mm to take out. I don't know
> if
> the 5 mm was the original part spec. The inner face says "Camp 81." I do
> not need a matching date code, this wheel is a user not a display piece.
>
> The 8 mm spacers don't have type on the inner face, but on the outer face
> recess they say "Camp 22."
>
> Does anyone have the 5 mm Campy rear axle locknut?
>
> Another option for me is to buy a complete 136 mm axle assembly. That
> would
> actually better suit the Woodrup once I get the 7-speed installed right.
>
> Anybody want to sell me a 5 mm locknut or a complete 136 mm assembly? Or
> have any better ideas? I miss riding it!
>
> Ken Freeman
> Ann Arbor, MI