Shimano Dura-Ace 9000 Mid-Compact Groupset (52/36) (170mm) (11-23T)

Shimano
DA9000GS52361123170
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The best of the best is rarely disputed. Shimano's Dura-Ace has remained the race-tested component group most used by professionals for many years now. The Dura-Ace series is Shimano's lightest, most ergonomic, and most precise groupset ever; delivering the finest mechanical performance. The extra eleventh gear and numerous other enhancements combine to deliver a truly dominating performance. When you ride Dura-Ace, you're riding to win.

DUAL-CONTROL LEVER (2x11-speed)
With smaller, sleeker hoods, the 11-speed compatible ST-9000 STI units deliver improved ergonomics for better rider comfort and control, with reduced lever stroke and lighter action.

DUAL PIVOT BRAKE CALIPER
Long, fast descents demand confidence. Dura-Ace brakes deliver, with a new symmetrical dual pivot design and twin bearings reducing pivot friction and improving efficiency and controllability. Along with new low-friction BC-9000 cables, Dura-Ace brakes give smooth, light operation with excellent modulation. Available with conventional mount or direct mount for aero road bikes (BR-9010). : 297g (Pair)

Rear Derailleur (11-speed)

The 11-speed Dura-Ace rear derailleur has been redesigned for lighter operation with the help of new low-friction polymer-coated cables. Shifting effort is now more even across the range, with similar force required at both ends of the cassette.

Maximum Sprocket:
28T/12T
Minimum Sprocket: 23T/11T
Maximum Front Difference: 16T
Total Capacity: 33T
Outer Link: Aluminum/Annodized
Inner Link: Aluminum/Annodized
Link Pin Bushings: Fluoric Coated 4
Average Weight:
158g


FRONT DERAILLEUR (2x11-speed)
With a revised actuation ratio in combination with the ST-9000 shifter and polymer-coated cables, the new Dura-Ace front derailleur delivers both a shorter stroke at the lever and reduced effort. 158g

HOLLOWTECH II CRANKSET (2x11-speed)
With a unique four-arm spider and Hollowtech II construction putting strength just where its needed, the FC-9000 chainset sets new standards for stiffness and low weight.

Crank Construction: Hollowtech II
Cassette Compatibility: 11
Chain Compatibility: Super Narrow HG EVO for 11-speed
Chainring Sets: 50-34T/52-36T/52-38T/53-39T/54-42T/55-42T
Bolt Circle Diameter: 110mm
Crank Arm Length: 165,167.5,170,172.5,175,177.5,180mm
Bottom Bracket: SM-BB9000 SM-BB92-41B
Chain Line: 43.5mm
Average Weight: 683g

HG Cassette Sprocket (11-speed)
Rider-tuned means Dura-Ace works the way you want it. The new 11-speed cassettes are available in a range of sizes including a wide-range 11-28 option - one cassette to use all year round. Smooth, fast shifting guaranteed.

Number of Sprockets: 11-speed
Chain Compatibility: HG 11-speed
Option 1: 11-23T
Sprocket Sizes: 11,12,13,14,15,16,17,18,19,21,23
Option 2: 11-25T
Sprocket Sizes: 11,12,13,14,15,16,17,19,21,23,25
Option 3: 11-28T
Sprocket Sizes: 11,12,13,14,15,17,19,21,23,25,28
Option 4: 12-25T
Option 5: 12-28T

SUPER NARROW HG CHAIN (11-SPEED)
The new symmetrical 11-speed Dura-Ace chain uses hollow pins for low weight, PTFE coating for smooth shifts and offers increased durability.

Chain Type: HG 11-speed
Cassette Compatibility: 11
Average Weight: 243g (114 links)

Bottom Bracket
Outside positioned bearings for better weight distribution and more stability. Bottom bracket has smaller, bearings than current model for lightweight. 

This product was added to our catalog on February 9, 2016.