Shimano Ultegra R8150 Di2 Road Groupset - 2x12, Front/Rear Derailleurs, Shift/Brake Levers, Disc Calipers, Chain, Battery, and Di2 Wires

This Shimano Ultegra R8150 Priority Pack Groupset features several of the core drivetrain components, offering advanced road technology to a broad range of riders and riding styles. The updated Di2 system delivers fast shifting in a wireless cockpit design, while 12-speed gearing provides unmatched efficiency. This kit includes a front derailleur, rear derailleur, shift/brake levers, disc brake calipers, chain, battery, Di2 wires, and an internal battery charging cable.

• The FD-R8150 front derailleur combines Shimano's DI2 platform and the road incarnation of Hyperglide+ to provide fast and seamless shifting action between chainrings
• The RD-R8150 rear derailleur provides ultra-fast shifting, and is more versatile than ever thanks to a single cage length option compatible with 11-34 cassettes
• BT-DN300 is a Built-In DI2 Battery that includes an integrated junction to make wiring the rear triangle of your bike easier than ever
• BR-R8170 disc brake calipers deliver enhanced modulation, a quieter brake system, and an easier than ever bleed process
• ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology
• The DI2 platform untethers the shifters while delivering fast and reliable wireless shifting