Shimano XTR 38D-BH FC-9100-2 external double chainring

Available in a single 38-tooth version, the large chainring of the Shimano XTR M9100 double chainring groupset is a 4-arm direct mount model. It has a classic tooth profile for smooth and fast chainring shifting and cannot be used as a single chainring.

Sold separately, the small chainring attaches directly to this 38-tooth version. For optimal performance, it is recommended that both chainrings be kept in a similar state of wear. For optimal performance, it is recommended that both chainrings be kept in a similar state of wear.- 12-speed compatible - 4 arms - Direct mount - Aluminium chainring - Teeth: 38 teeth - Double chainring drivetrain