Ultegra Di2 12-Speed Rear Derailleur (RD-R8150) – With the fastest, most accurate shifting on the market, the new 12-speed Ultegra R8150 rear derailleur is more versatile than ever thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes.

Ultegra Di2 Front Derailleur – Combining SHIMANO's new DI2 platform and the road incarnation of Hyperglide+, the Ultegra R8150 front derailleur shifts between chainrings with the fastest, most seamless action on the market.

Includes Battery and Charger

Ultegra Hollowtech II 2 x 12 Crankset – An integral part of Shimano's new 12-speed road lineup, the FC-R8100 crank builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, these bring an optimal balance of stiffness, strength, weight, and rotational performance

Ultegra Dual Control R8170 – Shimano's new Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO WAVE technology. The all-new DI2 platform, used on both Dura-Ace and Ultegra, untethers the shifters while delivering the world's fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.

Ultegra 12-Speed HYPERGLIDE+ Road Cassette (CS-R8100) – The uninterrupted shifting experience of the Ultegra Hyperglide+ R8100 12-speed cassette range lets you climb, sprint, and push your limits without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both SHIMANO 11 and 12-speed freehub bodies.

12-Speed XT / Ultegra Chain (CN-M8100) – Designed for Shimano's revolutionary XT M8100 12-speed MTB groupset, the M8100 chain provides enhanced chain retention thanks to an extended portion of the inner plate. The new chain features quick-link assembly and SIL-TEC treatment for extended offroad durability.

Ultegra Hydraulic Disc Brake Calipers – The Ultegra R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain.