The ultimate upgrade for your mountain bike or road bike, these crank arms are a must-have accessory. Designed to provide superior strength and durability, they offer a smooth and precise turning action that will take your riding experience to the next level.

With a 170mm diameter crank arm, you can expect a substantial increase in power output and a significant reduction in fatigue. The aluminum alloy construction ensures excellent durability and resistance to corrosion, while the single-claw design provides optimal leverage for riders of all skill levels.

Whether you're a seasoned pro or just starting out, these crank arms are the perfect solution for any bike enthusiast. They are compatible with both mountain bikes and road bikes, making them an excellent choice for anyone in need of a reliable repair part.

The 130mm barrel diameter provides a precise fit with most cranksets, ensuring that your existing components can be easily swapped out without affecting performance. With their high-quality construction and exceptional durability, these crank arms are sure to become a staple in any bike's maintenance kit.