Helix 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 (52/55mm)

Tooth Count	30
Drivetrain Speeds	12
Round or Oval	Round
Offset	Flip-Flop 3/5
Material	Steel
Color	Black
Defined Color	Black
Direct Mount Type	Direct Mount e*Thirteen