DT Swiss conversion kit for FR 440 front hubs to 100 mm x 9 mm, Thru Bolt quick-release
Conversion kit for DT Swiss EX 1750, FR 2350, FR 440, Tricon FX 1950 and 240 oversize front hubs
Herstellerinformation: DT Swiss, Längfeldweg 101, 2504 Biel, Bern, Switzerland, https://www.dtswiss.com/