Originally Posted by
rgiro14
Morning Jacek,
Based upon the information in this thread, I have just purchased a 1994 Corsa Extra SLX 57cm frame serial number "F1122". On the left hand side is "7XB" but above this is what appears to be the 3 digit number "278". I've not seen this on any other frame I've come across either in the flesh or online. Can you shed any light on this mystery?
Thanks!
Your frame is a Corsa Extra built in "century geo" . The extra numbers are not a factory marking - I learned from a reliable source that such markings were used in workshops for repairs or in paint shops for repainting the frame.