Features:

• HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load
• The chainring teeth have been developed to work in conjunction with 11-speed HG-EV chains for increased contact to provide greater efficiency and improved power transfer
• Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight
• A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines
• HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency
• HollowTech II integrated bottom bracket seal design has minimal bearing interfaceensuring smooth rolling and increased durability

Specifications:

• Teeth: Compact 50-34T
• Crank Construction: Hollowtech II
• Speed: 11
• Chainline: 43.5
• BCD: 110mm
• Weight: 765g (including BB)

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