We ride an XL Santana Sovereign and my wife is 5'5". She uses a tamer suspension seat post and has about 1/2" to spare. I am 6'3" and fits me fine.
The Sweet 16's wheels are not durable but they are great to ride on. We just ordered our second set and Santana sold it to us for $900 with a 2 year warranty FWIW.