e*thirteen Helix Guidering - 30t 10/11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset e*thirteen DM BLK MFPN=DMR-G-BREN2-THICK-SC 18 step star-ratchet drive system

18 step star-ratchet drive system

Excellent for use in rocks and roots

}SRAM GX Eagle Carbon Boost Crankset - 170mm 12-Speed 32t Direct Mount DUB Spindle Interface Lunar

6 Stanchion Diameter 32 Steerer Tube Length (mm) 251 Steerer Type Tapered Travel (mm) 100 Wheel Size 26"

e*thirteen Helix Guidering - 30t 10/11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset e*thirteen DM BLK MFPN=DMR-G-BREN2-THICK-SC 18 step star-ratchet drive systeme*thirteen Helix Guidering 30t 10 11 12 Speed 52 55mm Flip Flop CL 3 5mm Offset e*thirteen DM Black. 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