Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t Model=Nipple Drivers Rear Derailleur Mount Type 10x1

Rear Derailleur Mount Type 10x1 Standard Rear Der/Shifter Compatibility SRAM Exact Actuation Cage Length Long Drivetrain Speeds 11 Weight 275 Color Black/Silver Chain Wrap Capacity (teeth) 32 Largest Cog 42

25 Tubeless Folding Black Racing Line GUM-X Cross Shield E-Bike

Gender/Age YouthColor Euphoria PurpleDefined Color Purple

Defined Color Gray Weight 67 Brake Lever Use Left Brake Lever Use Right Brake Lever Actuation Long Pull Color Gray Cable Head Type Mountain

Promax E1 Endurance disc rotors are designed to handle the rigors of all-mountain riding and e-bikes where extra strength is required

Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t Model=Nipple Drivers Rear Derailleur Mount Type 10x1Shimano Dura Ace R9100 55t 110mm Chainring for 55 42t. This 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