Hope Technology Ltd - Our Pro 4 hubs come in many different standards, and are designed with durability and serviceability in mind. Like everything we manufacture we sell each individual part separately (
Hope Pro 4 Hub Review and Sound
Hope Pro 4 ISO Boost Rear Hub - Wheelbuilder
TESTED: Hope Pro 4 Boost hubs - Australian Mountain Bike | The home for Australian Mountain Bikes
The making of Hope Technology's new PRO 4 Hub | ENDURO Mountainbike Magazine
Hope Pro 4 Trials / SS Rear
Hope PRO 4 Freehub Assembly 11spd Aluminium - HUB536
Hope Pro 4 Boost 148mm Rear Hub - Microspline / XD / Shimano HG – The PM Cycles