Hollow carbon fiber arms are SRAM's lightest to date, designed for Trail and XC riders.

• Hollow carbon fiber arms are SRAM's lightest to date, designed for Trail and XC riders.
• Included X-SYNC 2 chainring is uniquely shaped to maximize wear and chain retention
• Use with SRAM Eagle chain for optimum performance
• Do not remove protective sticker from crank arm
• Protective crank arm boots are included