E*thirteen Helix R Guidering (52/55 Flip Flop) 30t - Gray MPFN-11.4118.099.010 Direct mount retainer ring designed

Direct mount retainer ring designed specifically for Hope cranksets and available in standard or Boost offset

}Surly Disc Trucker Bike - 26" Steel Pea Lime Soup 42cm

Discrete clamp or Matchmaker-X compatible

} Various pump replacement parts for both hand and floor pump models

E*thirteen Helix R Guidering (52/55 Flip Flop) 30t - Gray MPFN-11.4118.099.010 Direct mount retainer ring designede*thirteen Helix R Guidering 30t 11 12 Speed 52 55mm Flip Flop CL 3 5mm Offset e*thirteen DM Gray. 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