Originally Posted by
polymorphself
I still dont understand how and why both are used in the same catalog, both for upper level bikes.
Me neither!!
And the 23 is definitely not the same as the 57cm. Its not like they were just using inches for the 2nd tier bikes.
Ive had a 23 84 310, and a 57cm 85 710 And they are not the same size.
I still have an 84 610 frame, 23 and a 91 1KLT bike, 57cm, and the 23 is taller in all instances.