Group Shimano Dura Ace DI2 R9200P F/Wheel, Direct Mount 175 mm, 50x34T, 11-28This group contains:IFDR9250F - SHIMANO DURA-ACE Front derailleurs (Di2 spec.) FD-R9250 Double Down Swing Braze-on Color seriesISTR9250L - SHIMANO DURA-ACE Derailleur/brake control (for racing handlebars) ST-R9250-L DUAL CONTROL LEVERIRDR9250F - SHIMANO Rear Derailleur 12s Di2-RD-R9250 Dura-Ace IBTDN3001 - SHIMANO Battery (Di2 spec.) BT-DN300 Internal 3.7 WhIFCR9200PEXXD - SHIMANO DURA-ACE FC-R9200-P 12-speed crankset 175,0 mm Without chainring Color seriesISTR9250R - SHIMANO DURA-ACE Derailleur/brake control (for racing handlebars) ST-R9250-R DUAL CONTROL LEVERY0MZ34000 - SHIMANO DURA-ACE 34T chainring for FC-R9200/FC-R9200-PY0MZ98010 - SHIMANO DURA-ACE 50T chainring for FC-R9200/FC-R9200-PICSR920012128 - SHIMANO DURA-ACE CS-R9200-12 12-speed cassette 11-12-13-14-15-16-17-18-19-21-24-28TICNM9100126Q - SHIMANO Chain CN-M9100 HG 12 speed E-BIKE RATED 126 links QUICK-LINKIBRR9210RS82 - SHIMANO DURA-ACE Brake cal...