Shimano Dura-Ace 7970 Di2 10 Speed Electronic Rim Brake Road Groupset
What’s included: Shifters (ST-7970), front derailleur (FD-7970 + chain catcher), rear derailleur (RD-7970), calipers (BR-7900), battery (SM-BTR1) junction boxes, Di2 wires. Brake type: Rim brake. Gearing: 2×10 speed.