Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t CheckoutTitle=Full Speed Ahead Afterburner Chainring A nearly seamless welding process

A nearly seamless welding process and a special anodizing treatment boost strength while remaining durable

Built-in "suspension" which absorbs over 36% of vibrations at the handlebar

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Squeezable materials allow for unmatched flexibility and comfort

Color Black Number of Chainrings No Rings Included Crank Length (mm) 165 Weight 483 BB Included No Pedal Spindle 9/16" Spindle Interface Type RaceFace Cinch 30mm Chainline/Hub Compatibility 141/148 Boost Hubs Defined Color Black

Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t CheckoutTitle=Full Speed Ahead Afterburner Chainring A nearly seamless welding processThis Shimano chainring allows you to update your Dura Ace FC R9100 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 Ring Position Type Outer Tooth Count 55 Drivetrain