CNC Machined from AL7075/T6 the Super chainrings are ramped and pinned for perfect shifting. Super chainrings are available for 9 or 10-speed drivetrains.
DESCRIPTION & MATERIALS • Precision CNC machined AL7075/T6 • Shifting ramps and stainless steel pins on outer ring SIZES • 53/39T FINISH • Black anodized w/ CNC silver details • Color and laser etched graphics