Helix Guidering - 30t, 10/11/12-Speed, 52/55mm Flip Flop CL, 3/5mm Offset, e*thirteen DM, Black electronic shift systems adjustability and efficiencies needed to

adjustability and efficiencies needed to break through to the next level

left side only

Made with high-performance fibers that wick moisture to keep your feet dry

ABS self locking nipples

Helix Guidering - 30t, 10/11/12-Speed, 52/55mm Flip Flop CL, 3/5mm Offset, e*thirteen DM, Black electronic shift systems adjustability and efficiencies needed toHelix Direct Mount rings are designed for use with e*thirteen Helix, TRS, LG1 and XCX Direct Mount cranks. These rings are compatible with both Shimano and SRAM 12 speed drivetrains. e*thirteen's Gen 4 narrow wide tooth profile delivers upgraded chain retention, lower system noise, and increased wear life Cross Compatible with SRAM and Shimano 11 and 12 speed chains Convenient flip flop design, compatible with both Boost and SuperBoost chainlines (52