Description: 【Bike Accessories】36T bike crankset, is easy to install, and is ideal for upgrading or replacing your bike’s components 【170mm Crank Arm】The bicycle crankset is equipped with a 170mm standard crank arm, providing balanced power distribution and enhanced comfort during long rides 【Applications】The crank set features a 36T chainring design, is designed for single speed bikes, city bikes, fixed gear bikes, etc 【Material】The bike crankset is constructed from high strength iron material, offering excellent rigidity and resistance to deformation, is sturdy, not easy to break and ensures a long time to use 【Stylish and Protective Finish】The bicycle crankset with black anodized surface delivers a sleek look that resists scratches and wear, easily matching various bike frame styles Specification: Material: Iron Size Chart: Diameter 15cm/5.91inch Package Includes: 1 Set Bike Crankset Note: Please allow slightly errors 1-2cm differences due to manual measurement.