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 Excellent for use in rocks

Excellent for use in rocks and roots

EvoCurve is a short and shallow compact drop bar with an oversized comfortable top section

RR 511 RimTubeless-Ready Alloy rim can be used with or without tubes (tape valves and sealant sold separately)

The kung-fu grip of the fat tire world

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 Excellent for use in rockse*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