Originally Posted by
steve sumner
It's of the highest quality. it's cold forged. the story BITD was that
GPM did contract work for Campy and that that crank and a
Super Record crank are the same.
Which means its susceptible to the same cracking issues the Record arms (no difference between the SR and NR arms of the period) are known for.
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My bikes: '81 Trek 957, '83 Trek 720, '85 Trek 500, '85 Trek 770, '81 Merckx, '85 Centurion Cinelli, '85 Raleigh Portage, '92 RB-2, '09 Bianchi