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SHIMANO ULTEGRA - HOLLOWTECH II - Road Crankset - 2x11-speed

The all-new SHIMANO ULTEGRA R8000 series crank features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames. It is available with 53-39T chainrings and 172 mm crank arm length

• Lightweight crankarm design optimized for power-transfer efficiency
• Minimal weight without sacrificing stiffness
• HOLLOWTECH II
• Rider-tuned gear performance through various gear combinations
• Redesigned FC for greater frame compatibility
• Wider gear pitch increases clearance between chain and leading teeth, providing compatibility with frames of O.L.D. 135 mm and 410 mm chainstay length