Joe,
I think it is more likely Sakae Ringyo (SR) than Sugino. I found several references to vintage Alero BMX cranks. None of them mentioned Sugino, but a few mentioned SR.
Greg Reiche CyclArt Vista, CA USA
-----Original Message----- From: classicrendezvous-bounces@bikelist.org [mailto:classicrendezvous-bounces@bikelist.org]On Behalf Of Joe Bunik Sent: Tuesday, April 15, 2008 9:10 AM To: CLASSIC RENDEZVOUS Subject: [CR]mystery 5-pin orphan arm
Hi all
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!
=- Joe Bunik Pittsburgh, PA USA _______________________________________________
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