FSA ATB and Pro ATB chainrings deliver flawless shifting. Available in alloy and steel options. Precision CNC machined AL7075/T6 alloy Shifting ramps and stainless pins for improved performance Specifications: Drivetrain Speeds:9 Chainring BCD:104 Color:Bl
FSA ATB and Pro ATB chainrings deliver flawless shifting. Available in alloy and steel options.
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