The e*thirteen UL (Ultralight) Guiderings are beautiful as well as incredibly light. Compatible with 10,11,and 12-speed drivetrains.

• Narrow-wide tooth design for chainring retention through the rough stuff
• Ultralight, strong, and beautiful design
• 10, 11, and 12-speed compatible
• Only compatible with e*thirteen's direct mount Quick Connect interface

30t, 10/11/12-Speed, 5mm Offset, Hyperglide+ Chain Compatible 

• Round or Oval: Round
• Material: Aluminum
• Chainline/Hub Compatibility: 141/148 Boost Hubs
• Direct Mount Type: Direct Mount e*Thirteen
• Tooth Count: 30
• Ring Position/Type: Chain Retaining Single Ring
• Drivetrain Speeds: 10 , 11 , 12
• Defined Color: Black
• Offset: 5

34t, 10/11/12-Speed, XCX Compatible, Black 

• Material: Aluminum
• Chainline/Hub Compatibility: 141/148 Boost Hubs
• Direct Mount Type: Direct Mount e*Thirteen
• Tooth Count: 34
• Ring Position/Type: Chain Retaining Single Ring
• Drivetrain Speeds: 10 , 11 , 12
• Defined Color: Black