Genuine replacement Freehub body for Miche Syntium, Altur, Race Pro and Revox Wheelsets. Pawls and spring included. 
Bearings: Miche sealed bearings 
Weight: 92 grams 
Material: 7075 T6 Aluminium Alloy 
Miche Part Number: FWSY0BS (Shimano) | FWSY0BC (Campagnolo)
Compatible Wheels:

Revox RC 
Syntium WP 
Syntium Axy/Tube 
Altur 
Race Pro