FSA ATB and Pro ATB chainrings deliver flawless shifting. Available in alloy and steel options.Features-Precision CNC machined AL7075/T6-Shifting ramps and SS pinsItem Specifications-Tooth Count:36-Ring Position/Type:Inner-Drivetrain Speeds:11-Chainring BCD:96-Color:Black-Defined Color:Black-Material:Aluminum Description • BCD - 96mm • Holes - 4 • Crankset compatibility - AFTERBURNER 2017 • These outer rings should be paired with the following inner rings: 24t, 22t