HUB RR WM MT3000 QR 6B 5-7s 36×135 BK Review Posted: July 29, 2018 Under: Bike Hubs By ChillyBoulder no Comments This fits your . Make sure this fits by entering your model number. Aluminum hubs 6-bolt disc Loose ball HUB RR WM MT3000 QR 6B 5-7s 36×135 BK