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)
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Material: Steel
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Round or Oval: Round
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Color: Black
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Direct Mount Type: Direct Mount e*Thirteen
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Tooth Count: 30
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Drivetrain Speeds: 10 , 11 , 12
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Offset: Flip-Flop 3/5
