SpecificationsGroup Shimano Dura Ace DI2 R9200P F/Rim, Direct Mount 172.5 mm, 50x34T, 11-30This package contains:IFDR9250F - SHIMANO DURA-ACE Front derailleurs (Di2 spec.) FD-R9250 Double Down Swing Soldered Color seriesICSR920012130 - SHIMANO DURA-ACE CS-R9200-12 12-speed 11-12-13-14-15-16-17-19-21-24-27-30T cassetteISTR9250L - SHIMANO DURA-ACE Derailleur/brake control (for racing handlebars) ST-R9250-L DUAL CONTROL LEVERIRDR9250F - SHIMANO Rear Derailleur 12s Di2-RD-R9250 Dura-AceIFCR9200PDXXD - SHIMANO DURA-ACE FC-R9200-P 12-speed crankset 172.5 mm Without chainring Color seriesIBTDN3001 - SHIMANO Battery (Di2 spec.) BT-DN300 Internal 3.7 WhISTR9250R - 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 Tray 50T for FC-R9200/FC-R9200-PICNM9100126Q - SHIMANO CN-M9100 HG 12-speed E-BIKE RATED 126-link QUICK-LINK chainIBRR9210RS82 - SHI...