Dt swiss 350 disc front hubaffordable ratchet system hubs which are perfect for top end performance all the time down the trail the 350 is disc hubs are available in dedicated qr 15mm or 20mm fronts and completely convertible rear hubs with options for 135 qr thru bolt versions and 142mm thru axle versions there also is a dedicated 150mm optionfeaturesweight239g holes32colorsblackaxle system20110mm tadisc mountis 6 bolttechnologieshub technologydt swiss hubs have earned the