Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination

This Shimano chainring allows you to update your Dura-Ace FC-9000 11-speed crankset with a chainring configuration to best fit your riding style.

• Integrates Shimano Hollowglide Technology: the high rigidity hollow structure cuts down on weight, yet maintains strength to provide better power transfer and quicker, more precise front shifting
  
• Features a weight saving 4-bolt design with a BCD of 110 mm
  
• Ideal for road cycling
  
• Designed to be used as the outer chainring in a 50/34 tooth combination