ethirteen Helix Core espec Cranks for ISIS Spindle - 165mm, 21.5mm Offset, Black Bikes - BMX Weight: 475 grams

Weight: 475 grams

THE MOST PRECISE FORCE AXS IS HERE

Head Tube - UPR: 1-1/8in

and light trail adventures — plus it’s dropper‑post compatible for future upgrades

This jersey features a triple rear pocket system for easy access to tubes

ethirteen Helix Core espec Cranks for ISIS Spindle - 165mm, 21.5mm Offset, Black Bikes - BMX Weight: 475 gramsThe 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 versatile 165mm crank arms maximize pedaling leverage while offering improved ground clearance over traditional lengths on low BB trail geometries. Featuring a 21. 5mm offset for a compact, tailored Q factor on standard ISIS spindle motors, they come complete with an alloy self extractor