Connecting rider to the road, Shimano’s new ULTEGRA R8100 series takes trickledown technology to a new level with an ultra-efficient drivetrain, wireless cockpit, new levels of braking control and the fastest shifting ever!

Build Kit Includes:

• Shimano FC-R8100 Ultegra Crankset
• Shimano BT-DN300 Di2 Internal Battery
• Shimano CN-M8100 XT Chain 12sp 126 Links
• Shimano EW-EC300 Di2 Charging Cable
• Shimano EW-SD300 Wire 1200mm
• Shimano EW-SD300 Wire 900mm
• Shimano RT-MT800 140mm w/Lock Ring (Internal Spline Type)
• Shimano RT-MT800 160mm w/Lock Ring (Internal Spline Type)
• Shimano Ultegra Di2 ST-R8170 / BR-R8170 Flat Mount Front Brake Black
• Shimano Ultegra Di2 ST-R8170 / BR-R8170 Flat Mount Rear Brake Black
• Shimano Ultegra FD-R8150  2x12 Di2 Braze-On Front Derailleur
• Shimano Ultegra Di2 RD-R8150 Rear Derailleur GS Black
• Shimano Ultegra CS-R8100 12 Speed Cassette