– Celebrating its 40th anniversary since its first introduction in 1982, SHIMANO 105 receives the ultimateupgrade with a move to Di2 electronic shifting technology. The highly anticipated Shimano 105

«  ULTEGRA R8100 series moves to 12-speed with wireless Di2 shifter function and faster derailleurs «  For the first-time ever ULTEGRA includes a power meter option and full-carbon tubeless disc wheels

«  Built for those who never compromise, Shimano’s premium R9200 series moves to 12-speed Di2-only, disc or rim-brake set-up with wireless shifters, faster derailleur operation, larger 54-40T chain rings and