dx verses c model

[Autocycleplane]

im pretty sure that this is a 37 . would it be a B model or?? it was tagged as an admiralView attachment 472443

Yup. Notice the larger frame opening where the tank fits on yours. See how the C above that has a long flat section on the top tube as it heads towards the head tube. The B/motorbike style top tube is more curved along its length. I can always tell the B or C difference from the top tube alone.