E*thirteen Helix R Guidering (3mm Offset)3-Bolt 28t Naran Length/Teeth-172.5x48/35 85 ISO Width (mm) 48

85 ISO Width (mm) 48 ISO Diameter 507 / 24" BMX

The B-RAD Bases

Use liquid waxes to give your skis a quick boost and keep them running fast in between occasional iron-in glide waxing to keep the base conditioned and saturated

and outer cartridge bearing

E*thirteen Helix R Guidering (3mm Offset)3-Bolt 28t Naran Length/Teeth-172.5x48/35 85 ISO Width (mm) 48E*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 3 Bolt DM 3mm Offset