Full Speed Ahead MTB Pro Double Chainring - 38t 104 BCD 4-Bolt Aluminum D10 BLK Chainline-49/53mm } Adaptive Ride Dynamics enables

} Adaptive Ride Dynamics enables the Flight Attendant system to learn from the rider to make smarter

Compatible with 10-Speed Power-Shift systems only

Direct mount steel chainring

Color Black w/Yellow Label Defined Color Black Flat Protection Tread and Sidewall ISO Diameter 622 / Road / 29" ISO Width (mm) 63 Labeled Size 29 x 2

Full Speed Ahead MTB Pro Double Chainring - 38t 104 BCD 4-Bolt Aluminum D10 BLK Chainline-49/53mm } Adaptive Ride Dynamics enablesFSA's MTB Pro chainrings deliver flawless shifting for mountain drivetrains. Precision CNC machined AL7075 T6 alloy Shifting ramps and stainless pins for improved performance Ring Position Type Outer Tooth Count 38 Drivetrain Speeds 10 Chainring BCD 104 Color Black Defined Color Black