Left And Right 170mm Crank Arm Set For Bikes High Strength Hollow Design Ride-Ready Deformation-Resistant Power Transfer For Riders And Weekend Warriors Durable Aluminum Alloy Build For Mountain Road And Cyclists

Left & Right 170mm Crank Arm Set (2-arm pack) for Power
✔️ 2-piece crank arm set, 170mm length, hollow aluminum, black

These crank arms are a matched left-right pair designed for 170mm length, offering a hollow aluminum alloy construction to reduce weight while maintaining rigidity. Ideal for mountain and road bikes with standard bottom brackets, they help improve power transfer during pedaling.

✅ Left and right arms included as a matched pair
✅ 170mm length for balanced leverage on most setups
✅ Hollow construction reduces weight without sacrificing strength
✅ Durable aluminum alloy body for ride-ready reliability
✅ Matte black finish to blend with most drivetrains

💡 What is a crank arm set used for in a bike drivetrain?

In short, it connects pedal motion to the crankset, turning leg power into motion.

- handy for replacing worn components - fits common mountain or road bike setups with standard bottom brackets - improves pedaling efficiency through consistent leverage✝️