2Pcs Bike Crank Screw Spline Centre Shaft Aluminium Alloy High Strength Anticorrosion Sturdy Bike Crank Cover

Aluminium Alloy: This bike crank screw is made from premium aluminium alloy material, which is sturdy, and anti corrosion. Light Weight: This bike crank screw is light in weight, which is very easy to install and use. Fine Thread: This bike crank screw adopts CNC machining, which ensures fine thread and high strength. Item Type: Bike Crank Screw Material: Aluminium Alloy Specifications: M15x19