ZTTO Ultra Light 11 Speed Cassette Mountain Bike Freewheel 9‑42T

Feature: \n 1. Using high\u2011strength steel, it has good corrosion resistance and heat resistance, compatible for XD hub.\n2. Made by tempering and quenching process, it has higher strength, durability and strong wear resistance.\n3. It has strong oxidation resistance, is not easy to rust, and has a long service life, so it can be used with confidence.\n4. With a hollow design, the weight is reduced, and it will not add too much burden to your bicycle when using it.\n5. The surface adopts chrome plating technology, and the silver surface has a delicate appearance. \n\nSpecification: \n\nItem Type: Freewheel Cassette\nMaterial: Steel\nProduct Color: As Pictures Shown\nProduct Weight: Approx. 547g / 19.3oz\nGear Ratio: 9-42T (9-11-13-15-18-21-24-28-32-36-42T)\nCompatibility: For XD Hub\n\nPackage List: \n 1 x Flywheel \n\nNote: \n After the installation is complete, check whether the flywheel is locked and whether it is aligned. \n\n1. Our listing price includes the value of goods,: