Aero Direct Mount Chainrings for Shimano Dura-Ace R9200 Cranks Over Locknut (mm)-142 Tool Size 13mm

Tool Size 13mm

Forged aluminum with an optimized shape for a tough robust and reliable crankset

Finely divided blocks multiply the gripping edges while in the middle small ramps help ease roll-off and make the tire even faster

Waterproof with IP67 rating

Primary Color Black Cleat Type SPD-SL/KEO Shoe size 44 Gender Men Closure Double SLW3 Dial Color Black/Silver

Aero Direct Mount Chainrings for Shimano Dura-Ace R9200 Cranks Over Locknut (mm)-142 Tool Size 13mmDesigned 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 46T to 50T to provide similar overall range to standard 2x drivetrain configurations.