Aero Direct Mount 1x Chainring for 12-Speed Dura-Ace R9200 Cranks Options:Aero Direct Mount 1x Chainring - 46t, 4-Bolt, Drop-Stop ST, Compatible with Shimano Dura-Ace R9200/R9200-P Only, Black Eagle 90 T-type rear derailleur

Eagle 90 T-type rear derailleur features the revolutionary Hangerless Interface and Full Mount attachment method that creates a far stronger connection because it grips both sides of the frame (Requires frame with UDH interface)

Engineered for day and night use

race course or jumps while maintaining a light weight and unobtrusive fit

Rubberized strapping provides extra grip to the frame and reflective paracord zip pulls give additional security

Aero Direct Mount 1x Chainring for 12-Speed Dura-Ace R9200 Cranks Options:Aero Direct Mount 1x Chainring - 46t, 4-Bolt, Drop-Stop ST, Compatible with Shimano Dura-Ace R9200/R9200-P Only, Black Eagle 90 T-type rear derailleurDesigned for racing, and for those looking to optimize each detail in pursuit of speed, Wolf Tooth Aero Chainrings are strong, lightweight, and profiled to mate perfectly with your crankset for a clean, integrated look. Taking advantage of 1x drivetrain systems and wider range rear cassettes, Aero Chainrings for Shimano Dura Ace R9200 cranks are available in sizes to provide similar overall range to standard 2x drivetrain configurations. They feature