e*thirteen Helix Guidering - 30t, 10/11/12-Speed, 52/55mm Flip Flop CL, 3/5mm Offset, e*thirteen DM, Black Trainers single clamp system

single clamp system

UPC: 710845864438

Manufacturer Part Number: CH6BULLISH

UPC: 812367016354

Manufacturer Part Number: RC5-22DR2AS

e*thirteen Helix Guidering - 30t, 10/11/12-Speed, 52/55mm Flip Flop CL, 3/5mm Offset, e*thirteen DM, Black Trainers single clamp systemHelix 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