FEATURES:

• Optimized lightweight crank arm design produces excellent power transfer efficiency
• Minimized weight without sacrificing stiffness
• Hollowtech II
• Rider tuned gear performance through various gear combinations
• Possible to choose the best choice for ride
• Redesigned FC for greater frame compatibility
• Wider gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O.L.D. 135mm and 410mm chain stay length

SPECS:

• Crank Construction: Hollowtech II
• Crank Arm Length: 175mm
• Chain Line: 43.5
• Chainring: 34/50
• Average Weight: 674 grams