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![Load image into Gallery viewer, e*thirteen Helix R Guidering - 30t 11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset](http://365cycles.com/cdn/shop/files/CR5322-01_400x@2x.jpg?v=1685996893)
Helix R Direct Mount rings are designed to function equally well with all 11 and 12-speed SRAM™ and Shimano™ drivetrain systems on e*thirteen Helix or legacy TRS/LG1/XCX cranks.
- 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)
- Pair seamlessly with Helix and Helix R cranks, or with legacy TRS/LG1/XCX cranks using included 1mm spacer ring
- e*thirteen's Quick Connect direct mount interface keeps the system secure and creak-free
- Forged from 7075-T7 aluminum, then extensively CNC optimized for light weight, and technical aesthetics
- Tough enough for any MTB discipline
Description
Helix R Direct Mount rings are designed to function equally well with all 11 and 12-speed SRAM™ and Shimano™ drivetrain systems on e*thirteen Helix or legacy TRS/LG1/XCX cranks.
- 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)
- Pair seamlessly with Helix and Helix R cranks, or with legacy TRS/LG1/XCX cranks using included 1mm spacer ring
- e*thirteen's Quick Connect direct mount interface keeps the system secure and creak-free
- Forged from 7075-T7 aluminum, then extensively CNC optimized for light weight, and technical aesthetics
- Tough enough for any MTB discipline