E*thirteen Helix R Guidering(52/55 Flip Flop) 32t Intergal MFPN=00.4021.038.023 4 Flange No Lock On

4 Flange No Lock On Yes Shape Ergonomic Color Midsummer Blue Weight 115 Defined Color Blue Size Large

Durable rubber stem mount body allows air and sealant to flow through freely

For use with bar end shifters to create top mount shifters

lightweight design with a slight convex profile

Quickly and easily determine the bearing that will fit in integrated headtubes and find replacement bearings for internal headsets

E*thirteen Helix R Guidering(52/55 Flip Flop) 32t Intergal MFPN=00.4021.038.023 4 Flange No Lock OnE*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 Model Helix R Ring Type Single (Anti Chain Drop) Mount QuickConnect