Shimano FC-R9200 Chainring 40T-NJ, Y0MZ40000

Shimano Dura-Ace Y0MZ40000 is a 40-tooth replacement inner chainring designed for compatible FC-R9200 series road cranksets. Shimano specifies it for a double front-chainring setup and confirms compatibility with FC-09, FC-R9200, FC-R9200-P, and FC-R9200-PX cranksets.

The chainring is marked 12S 40-NJ and provides an original Shimano replacement option for maintaining the correct drivetrain configuration and front shifting performance of compatible Dura-Ace cranksets.

Key Features:

SKU: SMN94047
Model: Y0MZ40000
Series: Shimano Dura-Ace
Product Type: Bicycle Chainring
Chainring Size: 40T
Chainring Code: 40T-NJ
Drivetrain: 12-Speed
Front Chainring Type: Double
Position: Inner Chainring
Color: Shimano Series Color
Compatible Cranksets: FC-09, FC-R9200, FC-R9200-P, FC-R9200-PX
Use For: Replacement inner chainring for compatible Shimano Dura-Ace road cranksets