ethirteen Helix Core espec Cranks for ISIS Spindle - 160mm, 21.5mm Offset, Black S3-Size-700c/50mm Cool-fit anti-microbial padding

Cool-fit anti-microbial padding

smashing tarmac

and ride data

including models made by Shimano®

ZIPP FREE HUB KIT 176 / 177 SS - 11 / 12 Speed - (For Splined Non - XDR Cassettes)

ethirteen Helix Core espec Cranks for ISIS Spindle - 160mm, 21.5mm Offset, Black S3-Size-700c/50mm Cool-fit anti-microbial paddingThe 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