ethirteen Helix Core espec Cranks for ISIS Spindle - 160mm, 21.5mm Offset, Black Code:CS5ESA-101 Spec IS42/28

Spec                    IS42/28

" weve integrated a bug net into the front vents—because nobody likes a head full of flies—and included a removable visor for when the sun is a bother

Named after one of our favorite trail networks

Top Tube (Effective) 689mm (27

PRECISE DATA

ethirteen Helix Core espec Cranks for ISIS Spindle - 160mm, 21.5mm Offset, Black Code:CS5ESA-101 Spec IS42/28The ethirteen Helix Core espec Cranks offer high end drivetrain integrity and a premium look at an exceptional value. Forged from tough 6066 T6 aluminum, these short 160mm crank arms drastically reduce pedal strikes on low BB trail geometries while maintaining excellent pedaling efficiency. Featuring a 21. 5mm offset for a compact, tailored Q factor on standard ISIS spindle motors, they come complete with an alloy self extractor system, steel pedal