SRAM Eagle 90 T-Type Rear Derailleur - 12-Speed Long Cage 52t Max Full Mount Aluminum Cage BLK/Silver CheckoutSpec= 1/2'' or M14 x 1 8 Bar Top Style Round

8 Bar Top Style Round Bar Reach (mm) 80 Color Black Bar Drop (mm) 125 Accessory Mount Diameter 31

Visor Yes Size S Helmet sizing in cm 55 - 56cm Integrated Light No Misc Shiny Black Certification CPSC EN1078 ASTM F1447 e-Bike approved No Primary Color Black

Color Black Flat Protection Sidewall TPI 60 Weight 804 Defined Color Black ISO Width (mm) 66 ISO Diameter 584 / 650b / 27

and it is compatible with Quarq

SRAM Eagle 90 T-Type Rear Derailleur - 12-Speed Long Cage 52t Max Full Mount Aluminum Cage BLK/Silver CheckoutSpec= 1/2'' or M14 x 1 8 Bar Top Style RoundThe Eagle 90 Transmission derailleur is the definitive answer to how good a cable actuated derailleur can be. It features an all new T Type cable actuation ratio to provide the most precise and crisp shifts every time. Utilizing the same Full Mount design as its electronic siblings Eagle 90 is the strongest mechanical derailleur SRAM has ever produced. Not only is it robust but the derailleur body features replaceable outer and inner parallelogram