Surly 135mm 6 Bolt Disc QR 32 Hole Single Speed Rear Hub - Gringineer Cycles
Amazon.com: Bike Rear Wheel Hub, Universal Bike 36 Holes 14T Rear Wheel Hub, Solid Axle Metal Disc Rear Hub Set, Bicycle Fittings, Fit for V-brake, Holding Brake, BMX, Single Speed Bike :
Paul Components FIXED DISK WORD Hub - Rear - AVT.Bike
Universal Cycles -- Hope Pro 5 Single Speed/Trials Disc Rear Hub - 10 x 135mm Bolt-On [RHP532NTR, RHP532BTR, RHP532PUTR]
Boost Disk Word (148mm) – Paul Component Engineering
Hope Pro 4 Single Speed/Trials Disc Rear Hub 12 x 142mm Thru Axle - Brands Cycle and Fitness