e*thirteen Helix Guidering - 30t 10/11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset e*thirteen DM BLK MFPN=ODC-601-SV 5mm eye-eye 205mm (trunnion)

5mm eye-eye 205mm (trunnion)

Front loading road brake cable port

32 Step-Cast Air Shaft Assembly

700c x 38mm maximum tire clearance on frame and fork

e*thirteen Helix Guidering - 30t 10/11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset e*thirteen DM BLK MFPN=ODC-601-SV 5mm eye-eye 205mm (trunnion)e*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