UL Guidering Boost Offset

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