This is the SRAM X-Sync 2 Steel 104mm BCD Chainring.

Features:

• X-SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise.
• Designed to be used with Eagle chain
• SRAM Model ID: CR-XSNC-104-B1

Product Specifications:

• BCD: 104
• Chainring Bolts: 4
• Chainring Comp.: -
• Teeth: 34, 38
• Primary Color: Black
• Material: Steel
• Position: -
• Speed: 11/12
• Narrow-Wide Design: X-Sync 2

Vendor Item No:

• 11.6218.045.000 (34 Teeth)
• 11.6218.045.001 (38 Teeth)