First Look: Shimano Alfine Di2 Internal Electronic Shifting System | WIRED
Shimano Nexus STePS Di2 SG-C7050-5D Internal Gear Hub for E-Bike - Centerlock - 10x135mm Nut Type - 5-Speed - black
Rear hub / 135 MM / Fixed axle 180 MM / Rollerbrake or Rim brake / 36GTS / Shimano / Nexus Inter 5 E SG-C7050-5R / 5S DI2 / Black / E-Bike | Vlechtservice