SpecificationsGroup Shimano Dura Ace DI2 R9200 F/Rim, 170 mm, 50x34T, 11-34This package contains:IFCR9200CX04 - SHIMANO DURA-ACE FC-R9200 12-speed crankset 170.0 mm 50-34T Color seriesIFDR9250F - SHIMANO DURA-ACE Front derailleurs (Di2 spec.) FD-R9250 Double Down Swing Solder Serie colorIBRR9200AR82A - SHIMANO DURA-ACE Brake caliper BR-R9200 Rear Series colorICSR920012134 - SHIMANO DURA-ACE Cassette CS-R9200-12 12 speeds 11-12-13-14-15-17-19-21-24-27-30-34TIBRR9200AF82X - SHIMANO DURA-ACE Brake caliper BRR9200SET Front 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-AceIBTDN3001 - SHIMANO Battery (Di2 spec.) BT-DN300 Internal 3,7 WhICNM9100126Q - SHIMANO Chain CN-M9100 HG 12-speed E-BIKE RATED 126 links QUICK-LINKISTR9250R - SHIMANO DURA-ACE Derailleur/brake control (for racing handlebars) ST-R9250-R DUAL CONTROL LEVERIEWEC300A - SHIMANO EW-EC30...