Do Proffecianal Ciclists Use Automatic Gear Shifting System Racing Bicycle?
Do Proffecianal Ciclists Use Automatic Gear Shifting System Racing Bicycle? The team uses Dura Ace Di2 shifters, derailleurs, and brakes mixed in with parts from its official sponsors (some bikes also have aftermarket derailleur pulleys). Do pro cyclists use Di2? The shifters you’ll see far more than any others in the Tour de France are