e*thirteen Helix Race GR Direct Mount Chainring – 34t For use with Helix Race GR Crank Black. Helix Race GR chainrings are gravity optimized direct mount chainrings designed to withstand the punishment of downhill bikepark and freeride disciplines. Theyre crafted of AL-7075-T6 and highly CNC optimized for minimal weight penalty and great looks. Paired with Helix Race GR Cranks -7mm offset GR chainrings produce a 56.5mm chainline suitable for most long-travel bike geometries. Featuring e*thirteens M4 narrow-wide tooth profile they deliver improved chain retention reduced noise and system wear and seamless compatibility with both Shimano and SRAM drivetrains (including T-type).

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