The RUSSTi EVO uses the Syntace Boost X12 axles system.
All the stock frames use the Boost Axle version 12 x 148mm
Some bespoke EVO frame have been made for customers and you can also order the 12 x 142mm (non Boost axle)
The Syntace X-12 Screw 28.5mm - common to both axles and all frames (screw that holds the hanger to the frame.)
Syntace axle nut - common to both axles and all frames
Syntace Derailleur Hanger - common to both axles and all frames