ethirteen Helix Core espec Cranks for ISIS Spindle - 165mm, 21.5mm Offset, Black Bikes - BMX To boost your performance and

To boost your performance and fun

BBB - JUMPER (35) / BHS-39

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

Head Tube - UPR: 1-1/8in

Quad Lock MAG™ Dual Desktop Wireless Charger provides fast charge to multiple devices at once

ethirteen Helix Core espec Cranks for ISIS Spindle - 165mm, 21.5mm Offset, Black Bikes - BMX To boost your performance andThe 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