CNC Machined from AL7075/T6 the Super Chainrings are ramped and pinned for perfect shifting. They are 9 or 10-speed compatible and available in 104/64 millimeter BCD.
DESCRIPTION & MATERIALS • Precision CNC machined AL7075/T6 • Shifting ramps and stainless steel pins on outer rings SIZES • 42/32/24T FINISH • Black anodized with CNC silver • Color graphics, and laser etched logos