but 'oo' doesn't make sense...unless it is NOT 'oo', could it be a dirty 'cc'?
Now it's at my LBS to put on the wheel which is been re-laced with new spokes and rim.
Once back later today I'll give it a quick clean
'cc' would mean March 1978 which is the year the Shimano 600 EX Arabesque was released:
There's this date code system: http://www.classicrendezvous.com/Japan/shimano/Shimano_date_codes.htm
but 'oo' doesn't make sense...unless it is NOT 'oo', could it be a dirty 'cc'?
Now it's at my LBS to put on the wheel which is been re-laced with new spokes and rim.
Once back later today I'll give it a quick clean
'cc' would mean March 1978 which is the year the Shimano 600 EX Arabesque was released:
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