Originally Posted by
TheManShow
Poster said 21" = 54 CM
I edited the original post after several people asked. And also, it's 21.5", or 55cm. The bottom bracket is also marked with a 5 in the correct location, denoting 55cm.
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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