e*thirteen UL Ultralight Direct Mount Guidering Boost Chainlines - 34t 10/11/12-Speed XCX Compatible BLK

The e*thirteen UL (Ultralight) Guiderings are beautiful as well as incredibly light. Compatible with 1011and 12-speed drivetrains.Narrow-wide tooth design for chainring retention through the rough stuffUltralight strong and beautiful design10 11 and 12-speed compatibleOnly compatible with e*thirteen's direct mount Quick Connect interface