Updated M4 narrow-wide tooth profile improved retention, reduced chain noise, and decreased system wear.
Flip-Flop - 52mm (Boost) and 55mm (Super Boost)
Helix R Direct Mount, Helix, TRS, LG1 and XCX Direct Mount cranks
Minimal aesthetics, and updated M4 narrow wide-tooth profile.
AL-7075-T6 Aluminum Alloy
30T, 32T, 34T
Frequently Asked Questions
Helix Plus Chainring can be mounted on Helix cranks forward or backward to make 52mm (Boost) and 55mm (Super Boost) chainline. On e*thirteen cranks with adjustable chainline, shims may be used for even more chainline flexibility, with chainring offset of -0.5mm (teeth outboard) or -3.5mm (teeth inboard)
Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase