medium Yelli Screamy:
ETT 603mm
HA 68% (120mm)
Chainstays 424mm (effective length)
Wheebase 1084mm
medium FF29:
ETT 600mm
HA 70% (120mm)
Chainstays 445mm (actual length, not effective length)
Wheelbase 1080mm
medium Whyte 29 C:
ETT 627mm
HA 69% (100mm)
Chainstays 438mm effective
Wheelbase 1128mm
assuming I’m reading the sizing charts correctly