Features
- Minimizes weight without sacrificing stiffness
- Delivers rider-tuned gear performance through various gear combinations
- Redesigned FC for greater frame compatibility
- 50/34 chainring
- Wide gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O.L.D. 135mm and a 410mm chainstay length
- 165, 170, 172.5, 175mm
Technical Specs
- Length170 millimeters,172.5 millimeters,175 millimeters
- Speeds11-speed
- Weight674 grams
- Best UseRoad Cycling
- Q Factor146
- Chainline43.5
- Weight (g)674
- Material(s)Aluminum/steel
- Product LineUltegra
- Chainring Mount4-bolt Asymmetric
- Chainring Sizes50/34T
- Crankarm Length170 millimeters,172.5 millimeters,175 millimeters
- Spindle Diameter24 millimeters
- Crankarm MaterialAluminum
- Included ComponentsChainring
- Bolt Circle Diameter110 millimeters
- Number of Chainrings2 Chainrings
- Chainring Compatibility2,2
- Bottom Bracket CompatibilityOutboard 68/70mm