A direct OEM-spec replacement chainring for e*thirteen's 1x cranksets, in 7075-T6 aluminium with an updated narrow-wide tooth profile for quiet, reliable chain retention.

Highlights

  • 7075-T6 aluminium, matte black
  • Flip-flop ring: 52mm (Boost) or 55mm (Super Boost) chainline
  • M4 narrow-wide tooth profile for chain retention and reduced noise
  • QuickConnect direct mount
  • 30T, 32T or 34T

Compatibility & fit

Fits e*thirteen Helix, TRS, LG1 and XCX direct mount cranks, 10/11/12-speed, and runs on both Shimano and SRAM 12-speed drivetrains. Flip the ring to switch between a 52mm Boost and 55mm Super Boost chainline on the same crank. The Tune workshop can fit it as part of a drivetrain service.

Options

TeethWeight
30T48g
32T54g
34T60g
e*thirteen's standard warranty covers this product for 10 years against manufacturing and material defects; normal wear, crash damage and misuse aren't covered, though e*thirteen's Infinite Ride programme offers a discounted replacement after a crash. For warranty support, return the product to Tune Cycles and we'll manage the claim with e*thirteen's Australian distributor. This is in addition to your rights under the Australian Consumer Law, so keep your proof of purchase.
  • 7075-T6 aluminium, matte black
  • Flip-flop 52mm/55mm chainline
  • M4 narrow-wide tooth profile
  • QuickConnect direct mount
  • 30T / 32T / 34T
Brande*thirteen
ModelHelix Plus Direct Mount
Material7075-T6 aluminium
ChainlineFlip-flop 52mm (Boost) / 55mm (Super Boost)
MountQuickConnect direct mount
ColourBlack
CompatibilityHelix, TRS, LG1, XCX direct mount cranks
Teeth options30T / 32T / 34T
SKU DTW-ETG-CR4HPA-10-PAR
Brand e*Thirteen