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The new ULTEGRA, which features Shimano's proprietary as well as its latest cutting-edge technologies, was born to realize a smooth and aggressive sport. The DCL, HOLLOWGLIDE outer chainring and the new construction ensure an advanced shifting performance.

Technical Documents
Features
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Specifications
Model Number FC-6703
Series ULTEGRA
Crank Construction HOLLOWTECH II
Cassette Compatibility 10-speed
Chain Compatibility CN-6600
Hyperdrive yes
Dual SIS yes
Reinforced Spider yes
Chainring Sets 52-39-30T
Bolt Circle Diameter 130/92mm
Crank Arm Length 165/170/172.5/175mm
Crank Arms Aluminum/Anodized
Chainrings aluminum/anodized
Chain Guard -
Bottom Bracket SM-BB6700
Chain Line 45mm
Spindle Length
BB Shell Width 68/70mm
Average Weight 892g 170mm integrated BB