DT Swiss 15mm To 5mm QR Conversion Kit This is the main part you need if you want to run a standard quick release in your DT Swiss thru-axle 350 or 370 hub. This conversion axle will fit your front wheel. DT Swiss 15mm To 5mm QR Conversion Kit Specifications: For using modern thru-axle wheels on older fork designs You may need end caps in addition to the conversion axle Quick release not included | Dt Swiss | 15Mm To 5Mm Qr Conversion Kit For Dt Swiss | 350 And 370 Hubs