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GPS navigation and heart rate measurement in combination with a compatible chest strap
Helix 7L and Helix 7
350mm extended length
Includes toptube
Compatible with Garmin mounts by default
ethirteen Helix Core espec Cranks for ISIS Spindle - 160mm, 26mm Offset, Black S3-Colour-GREY MELEE GPS navigation and heart rateThe 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 wider 26mm offset for a generous, stable Q factor on standard ISIS spindle motors, they come complete with an alloy self extractor system, steel pedal
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