E*thirteen Helix R Cranks CS4HRA-100

- Spindle is on the non-drive side of the crank for easier chain guide setup and drivetrain maintenance\n- Adjustable chainline accommodates non-Boost (142mm), Boost (148mm) and Super Boost (157mm)\n- Now includes an 8mm self-extractor, meaning the cranks can be removed with nothing more than an 8mm allen key\n- Lightweight aluminum trail crank arms and aluminum spindle w/ Quick Connect lockring and Adaptive Preload Adjuster (APS), compatible with all Quick Connect Guiderings \n- Crank arm and chainring/BB removal tool included