Originally Posted by
BCATC
Other than Solorock being the US equivalent to Fsir, do you happen to know how to source the other frames in the US? Best I could find for the Fnhon is TaoBao or Aliexpress. There's also Fsir listed on Taobao but a full bike would cost a lot to ship... though their disc version of the Spin 5.0 looks very enticing.
You may wish to check with ThorUSA. They have dabbled in Litepro/Crius framesets.