DT Swiss - 1994 The first DT Swiss hub was introduced. The RATCHET freehub system with its unique sound provided superior reliability. DT Hügi 1994 335g | Facebook
DT Swiss 540 Tandem (Hugi system) rear hub disc 6-bolt 40 hole 135 mm black
Hugi Hubs Hub user reviews : 4.5 out of 5 - 131 reviews - mtbr.com