First Look: Shimano Alfine Di2 Internal Electronic Shifting System | WIRED
Shimano Alfine - Wikipedia
Shimano to launch Alfine Di2 | road.cc
Shimano Alfine Internal Hub Gear, 8-Speed for Disc, SG-S7051-8, Alfine DI2, 32H 135 x 187mm, w/ Rotor Mount Cover, Black - Angry Catfish | Minneapolis Bike Shop + Coffee Bar
Review: Shimano Alfine 11 hub gear and shifter | road.cc
All our ebikes are equipped with Shimano Alfine 8 gears combined with Di2 technoligy. Shimano Steps combined with Di2 allows fully automatic shifting. Based o…