Shimano Dura-Ace R9100 42t 110mm 11-Speed Chainring for 42/54t CheckoutTitle=DT Swiss Ratchet EXP Freehub Body - SRAM XDR Double and single needle heavy

Double and single needle heavy duty stitching Gender/Age Men's Color Black Size X-Large Pad Type Foam Defined Color Black Protection Area Knee

Machined cups thread together for stability

Checkered shoulders offer extra protection against cuts and abrasions

225mm tall quill (210mm above the min insertion line)

aero or round seat post with this quarter-turn mount

Shimano Dura-Ace R9100 42t 110mm 11-Speed Chainring for 42/54t CheckoutTitle=DT Swiss Ratchet EXP Freehub Body - SRAM XDR Double and single needle heavyThis 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 Inner Tooth Count 42 Drivetrain