Gear Hub

12 Speed MTB Road Bicycle Gear Hub Body Freehub Bike Accessories for DT Swiss
US $62.25
SHIMANO Nexus Internally Geared Hub Inter 7 Speed Shifter Roller Brake
US $204.48
Resist FGFS fixed gear hubs 36h bearing rear hub
US $99.99
Novatec bicycle hubs fixed gear hubs silver color 36 holes single speed
US $75.98