Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t F-S 25 Metric No Lockout Switch

25 Metric No Lockout Switch Shock Mounted Switch Weight 215 Eyelet Diameter (mm) 12

Great match for SRAM 1x drivetrains

}TruVativ PowerSpline Bottom Bracket - English (BSA) 73 x 118mm

} Lightweight Design

and debris

Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t F-S 25 Metric No Lockout SwitchThis 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