Updated G4 narrow-wide tooth profile improved retention, reduced chain noise, and decreased system wear.
Flip-Flop - 52mm (Boost) and 55mm (Super Boost)
e*thirteen Helix, TRS, LG1 and XCX Direct Mount cranks 10/11/12 speed. Compatible with both Shimano™ and SRAM™ 12 speed drivetrains.
Minimal aesthetics, and updated G4 narrow wide-tooth profile.
Frequently Asked Questions
Helix R Direct Mount - 3 and 5mm oset flip flop for Boost and Super boost chainlines
Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase