DT Swiss 240 Ratchet Freehub Quick Service Guide - YouTube
Bicycle Hubs Dt Swiss Dt 240 Hub For Mountain Bike Mtb Road Bike 1pair Front & Rear Bike Hubs Old 100/130mm With 20/24holes - Bicycle Hubs - AliExpress
DT Swiss 240s Rear Hub Disc Centre-Lock - Single Speed, 32H, 135mm QR - Activesport