e*thirteen Helix R Guidering - 30t 11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset e*thirteen DM Gray
e*thirteen -
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 Round or Oval: Round Material: Aluminum Color: Gray Chainline/Hub Compatibility: 141/148 Boost Hubs , 157 Super Boost Hubs Direct Mount Type: Direct Mount e*Thirteen Tooth Count: 30 Ring Position/Type: Chain Retaining Single Ring Drivetrain Speeds: 10 , 11 , 12 Defined Color: Gray Offset: Flip-Flop 0/5