E*thirteen Helix R Guidering (52/55 Flip Flop), 30t - Bronze Tire Sealant - Easy to install –

- Easy to install – fixings included

Manufacturer Part Number: HBKF207

UPC: 810186764104

elongated sidewall surface reduces treadcuts

That results in no-flex sprints and accelerations

E*thirteen Helix R Guidering (52/55 Flip Flop), 30t - Bronze Tire Sealant - Easy to install –E*thirteen QuickConnect Direct Mount rings include 1mm spacers, which allows them to be run on legacy cranks (TRS LG1 XCX), as well as Helix and Helix R cranks 3 bolt direct mount chainrings fit SRAM and other similar interface cranks Tooth profile is compatible with both Shimano and SRAM chains in both 11 and 12 speed Can be flipped to provide either a 52 or 55mm chainline Today's Stock Status Currently not available 1 Available to ship in 2 4