• Top normal internal structure for improved tolerance when shifting while riding under load
• Labyrinth seals improve sealing performance extending service life
• Alfine hubs use pedal power to aid down-shifting resulting in fast and accurate shifts with an exceptionally light feel
• Double roller clutch engagement also gives a smoother quieter shift
• Shimano’s precise manufacturing abilities have enabled them to construct the Alfine internal hub to be there most efficient yet
• Centre-Lock disc rotor compatible
• 135 mm O.L.D. spacing

Occasionally, without notice, manufacturers change product design and/or specifications.