Group Shimano Dura Ace DI2 R9210 F/Wheel, Direct Mount 172.5 mm, 50x34T, 11-30This group contains:IFCR9200DX04 - SHIMANO DURA-ACE FC-R9200 12-speed crankset 172.5 mm 50-34T Color seriesIFDR9250F - SHIMANO DURA-ACE Front derailleurs (Di2 spec.) FD-R9250 Double Down Swing Braze-on Color seriesICSR920012130 - SHIMANO DURA-ACE Cassette CS-R9200-12 12 speeds 11-12-13-14-15-16-17-19-21-24-27-30TISTR9250L - 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 WhICNM9100126Q - SHIMANO Chain CN-M9100 HG 12-speed E-BIKE RATED 126-link QUICK-LINKISTR9250R - SHIMANO DURA-ACE Derailleur/brake control (for racing handlebars) ST-R9250-R DUAL CONTROL LEVERIBRR9210RS82 - SHIMANO DURA-ACE Brake caliper BR-R9210-RS Rear (rear chainstay) Color seriesIEWEC300A - SHIMANO Charging cable EW-EC300IBR9210F82 - SHIMANO DURA-ACE Brake caliper BR-R921...