• Flattop technology allows for a narrower chain with quieter operation and increased strength and durability
• Use for both 1x and 2x eTap AXS
• Includes Flattop PowerLock
• SRAM Model ID: CN-RIV-D1
• Flattop technology allows for a narrower chain with quieter operation and increased strength and durability
• Use for both 1x and 2x eTap AXS
• Includes Flattop PowerLock
• SRAM Model ID: CN-RIV-D1