hello,
I want to buy a ridley but I have the choice between 2 sizes :

1- 52-56-53-5( top tube horinzontal)
2-54-58-54.5 ( "")

my old cross-country race measured :
52-56-54 ( top tube horizontal)

I measure 1.76 and I have 85 centimetres crotch
my height of saddle is 75.2 centimetre
my stem is a 120 mm but i can change it for a 100 or 110



can you advise me ?? :)

UP

upppppp

Seizing is very personal. I guess that you would be able to rede both frames. How does your old bike feel? If it is good nr. 1 sounds like the way to go, if you think your currend bike is a bit on the small size you pick the nr. 2.
Something else to consider is the height of the toptube. On the nr. 2 frame your handlebars will probably be a little higher than on the nr. 1.
Best advise I could give you is to take your old bike with you to a dealer and have him look at it and discuss what you do and don't like about it and how you can correct that with a new frame.

By the way, the supercross is a real nice frame, I think you will be happy with it!

thanks , i think bought the number 1