Shimano’s Di2 battery is claimed to last about 1,000km ... Chainline is the distance between the centreline of your frame and the centreline of your chainring. It's more of an MTB / gravel ...

i.e., no more having to fish wires through the handlebars and frame to connect to the derailleurs. Power for the shifters is via two (2) CR1632 batteries (Shimano claims 3-1/2 to 4 year battery life).

Shimano 105 Di2 R7100 shares many of the features of Shimano’s higher-end 12-speed groupsets, including semi-wireless shifting, with a central battery ... SL with the same frame geometry and ...

There’s also the advantage of Shimano’s Di2 bits (battery/bar end nub) fitting perfectly (almost like it was made for it…), without issue. (Again, I’ll note this Niner isn’t supposed to take Di2… but ...

April 8, 2009 Japanese bike component manufacturer Shimano ... Dura-Ace Di2 7970 series features four main components – dual control levers, rear derailleur, front derailleur and battery pack ...

In 2009 Shimano brought electronic gear ... It additionally houses the system's battery-charging port. Other features of XTR Di2 include automated trim on the front derailleur (to keep the chain ...

Shimano has offered electronic shifting for a while now, but only if you were willing to drop big money on a high-end racing bike. The Alfine Di2 internal electronic shifting system brings the ...

some wires and a battery). I rode the new GRX Di2 group on a fully custom titanium-frame (and fork) Firefly Gravel bike. I ...