Dt an 180 sp cl 142mm 24 holes shim 11s

 Lighter, stiffer, more precise and easier to maintain – the strengths of the 180 hub are further enhanced with the new RATCHET EXP technology. The ultra-reliable freehub system transfers the highest pedaling loads resulting in direct power transmission. Smooth-running SINC Ceramic bearings bring the decisive advantage with their extremely low rolling resistance. DT Swiss 180 hubs – the ultimate in lightweight, stiffness and durability.

https://www.dtswiss.com/en/products/hubs-rws/hubs/180-straightpull/