Helix Guidering - 30t, 10/11/12-Speed, 52/55mm Flip Flop CL, 3/5mm Offset, e*thirteen DM, Black electronic shift systems For technical clothing designed to

For technical clothing designed to be next to skin

To ensure this

The chain’s fabric coating protects against scratches

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 For technical clothing designed 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