Designed 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 Wolf Tooth's patented Drop-Stop® ST tooth profile optimized for the Shimano 12-speed Hyperglide+ chain for the best wear life, chain retention, and mud clearance.

• Compatible with Shimano R9200 cranks (FC-R9200 and FC-R9200-P)
• NOT compatible with Ultegra R8100, 105 R7100, or any other Shimano cranks
• Drop-Stop ST is optimized for Shimano 12-speed Hyperglide+ chains
• Wolf Tooth’s patented Drop-Stop wide/narrow tooth profile provides the ultimate chain retention and efficiency
• Designed for 1x drivetrain only
• Includes (4) mounting bolts (Torque to 5 Nm)
• Premiumn 7075-T6 aluminum