Joe Bunik wrote:
> Digging through a box of orphans at my LBS, came up with (what to me
> is) an unusual arm/ring. Wondering if anyone can help me identify this
> / or maybe have a matching NDS mate?!?
>
> It's a 5-pin (ala TA etc.) arm... "AERO [cold forged]":
> http://flickr.com/
>
> ... tapered 170 arm, 50.4 bcd. "Duralumin forged" is cast on the back.
> Ring itself is 46t, and differs from TA in having 5, rather than 6
> arms. Drilling for additional "inner" rings matches the TA diameter -
> although of course, they're not really compatible! :-)
>
> Oh, and the puller threading is 22mm (i.e. not TA). All in all a nice,
> weird, orphan crank. "Just what I was looking for..." ha, yeah!
Look Japanese to me; the markings are very much like Sakae Ringyo (SR).
--
-John Thompson (john@os2.dhs.org)
Appleton WI USA