Shimano Dura-Ace R9100 42t 110mm 11-Speed Chainring for 42/54t MFPN=1908250-396000-XS Swinglink and pivot bearing for

Swinglink and pivot bearing for signature SRAM lever feel

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Compression fit sleeve Color Black Size Large/XL Defined Color Black Protection Area Elbow/Forearm

5mm Depth 20mm Material Aluminum Type Tubeless Color (H/S/R) Black Weight 1110g Wheel Type Rear Hub Configuration Bush Drive

Shimano Dura-Ace R9100 42t 110mm 11-Speed Chainring for 42/54t MFPN=1908250-396000-XS Swinglink and pivot bearing forThis 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