SHIMANO DURA-ACE R9250 DI2 GROUPSET - 172.5MM 52/36T CRANKSET 11-30T CASSETTE FRONT/REAR DERAILLEUR SHIFT/BRAKE LEVERS CALIPERS CHAIN

The Shimano Dura-Ace R9250 Di2 Groupset has everything needed to set up your bike with the latest tech from Shimano. With wireless Di2 shifting, changing gears is smoother, faster, and more reliable than ever before. Developments in Shimano's hydraulic brake technology increase stopping power while improving pad clearance and decreasing brake noise. As always with Dura-Ace, weight savings and performance are maximized to provide the ultimate drivetrain experience.

Features:
• 12-speed electronic road groupset with the latest technology from Shimano
• CS-R9200 cassette has larger driving cogs and is compatible with 11 and 12-speed Shimano/HG freehub bodies
• FD-R9250 front derailleur shifts 45% quicker than the previous Dura-Ace model
• RD-R9250 rear derailleur is super fast and has an integrated charging port for the Di2 system
• ST-R9270 shift/brake levers transmit shift signal wirelessly to the derailleurs
• BR-R9270 hydraulic disc brake calipers are lighter and provide increased pad clearance
Specifications:
Speed: 2 x 12 Speed
Cassette-Freehub Body Interface: Shimano 11/12 Speed
Crank Spindle Diameter: 24mm (Bottom Bracket Sold Separately)
Crank Arm Material: Aluminum
Front Derailleur: Braze-On, Down Swing, Electronic
Rear Derailleur: One Cage Length (Compatible with 11-28T to 11-34T Cassettes)
Disc Brake Rotors: 140 & 160mm (Centerlock)
Brake Caliper Mount: Flat Mount