9/10/11/12/13 Speed Mountain Bike Cassette 11-40T/42T/46T/48T/50T/52T MTB Cassette 9-13 Speed HG Structure Lightweight Bicycle Cassette Compatible with Shimano Ultegra Sunrace Sram (12 Speed 11-50T)

• ➤ Intelligent Lightweight Design: The newly designed mountain bike cassette features large-area hollowed-out structures on each gear, significantly reducing overall weight while effectively draining water and removing dirt, accelerating debris removal. This not only optimizes acceleration performance but also ensures that core strength remains unaffected
• ➤High-Value Choice: Our mountain bike cassette is made of chrome-molybdenum steel, offering high strength, wear resistance, fatigue resistance, and excellent impact resistance. It is not easily deformed and can withstand extreme loads, ensuring reliable riding performance
• ➤Features: Through a special tooth profile and guide groove design, it provides fast and accurate shifting, ensuring smooth and precise gear changes. Whether you're climbing steep hills or encountering bumps on flat roads, this mountain bike cassette delivers efficient power transmission and reliable shifting performance
• ➤10-speed 11-42T mountain bike cassette gear ratios: 11T-13T-15T-17T-19T-21T-23T-25T-28T-32T; Weight: 357 grams
• ➤Easy Installation: Our mountain bike cassette is manufactured using professional processes, and the high-precision HG internal threads ensure a perfect connection with the bicycle hub, resulting in smooth rotation and easy installation and maintenance. You can easily replace your old or damaged freewheel

KTKEET Mountain Bike Cassette: Conquer Rugged Trails with Unparalleled Drivetrain Performance The KTKEET 9/10/11/12/13-speed mountain bike cassette redefines reliability standards for demanding riders. Each 42T-50T sprocket is crafted from triple-plated chrome-molybdenum steel, capable of withstanding rock impacts, mud immersion, and high-torque pedaling while maintaining precise and smooth shifting. Why riders choose this cassette: Intelligent Lightweight Design: Large CNC-cut windows reduce cassette weight while accelerating debris removal. Proven Durability: Chrome-molybdenum steel construction provides high strength, wear resistance, and fatigue resistance. It withstands extreme loads, ensuring reliable off-road performance. Precise Shifting: High-precision HG internal threads connect perfectly with the bicycle hub, ensuring smooth and precise shifting for easier and quieter riding. Easy Installation: Simple installation, a perfect replacement for your old cassette, and can be installed on an HG hub in minutes. Specifications: Material: Carbon steel material Colour: silver/Silver Black Process: Phosphating treatment (wear resistance, corrosion resistance) Our mountain bike models: 9-speed: 11-40T / 11-42T 10-speed: 11-40T / 11-42T / 11-46T / 11-48T / 11-50T 11-speed: 11-40T / 11-42T / 11-46T / 11-48T / 11-50T / 11-52T 12-speed: 11-40T / 11-42T / 11-46T / 11-48T / 11-50T / 11-52T 13-speed: 11-46T / 11-48T / 11-50T / 11-52T Fits: Compatible with HG hubs (Note: This mountain bike cassette is only compatible with HG freehubs; it is not compatible with XD and MS freehubs. Please confirm your hub freehub type before purchasing). Transmission ratio: 9 speed cassette 11-40T:11-13-16-20-24-28-32-36-40T;(weight:378g） 9 speed cassette 11-42T:11-13-16-20-24-28-32-36-42T;(weight:379g） 10 speed cassette 11-40T:11-13-15-18-21-24-28-32-36-40T;(weight:394g） 10 speed cassette 11-42T:11-13-15-18-21-24-28-32-36-42T;(weight:395g） 10 speed cassette 11-46T:11-13-16-20-24-28-32-36-40-46T;(weight:455g） 10 speed cassette 11-50T:11-13-16-20-24-28-32-36-42-50T;(weight:470g） 11 speed cassette 11-40T:11-13-15-17-19-21-24-28-32-36-40T;(weight:417g） 11 speed cassette 11-42T:11-13-15-17-19-21-24-28-32-36-42T;(weight:422g） 11 speed cassette 11-46T:11-13-15-18-21-24-28-32-36-40-46T;(weight:466g） 11 speed cassette 11-48T:11-13-15-18-21-24-28-32-36-42-48T;(weight:472g） 11 speed cassette 11-50T:11-13-15-18-21-24-28-32-36-42-50T;(weight:476g） 11 speed cassette 11-52T:11-13-16-20-24-28-32-36-40-46-52T;(weight:531g） 12 speed cassette 11-40T:11-13-15-17-19-21-23-25-28-32-36-40T;(weight:445g） 12 speed cassette 11-42T:11-13-15-17-19-21-23-25-28-32-36-42T;(weight:443g） 12 speed cassette 11-46T:11-13-15-17-19-21-24-28-32-36-40-46T;(weight:491g） 12 speed cassette 11-48T:11-13-15-17-19-21-24-28-32-36-42-48T;(weight:494g） 12 speed cassette 11-50T:11-13-15-17-19-21-24-28-32-36-42-50T;(weight:505g） 12 speed cassette 11-52T:11-13-15-18-21-24-28-32-36-40-46-52T;(weight:554g） 13 speed cassette 11-46T:11-13-15-17-19-21-23-25-28-32-36-40-46T;(weight:510g） 13 speed cassette 11-50T:11-13-15-17-19-21-23-25-28-32-36-42-50T;(weight:528g） 13 speed cassette 11-52T:11-13-15-17-19-21-24-28-32-36-40-46-52T;(weight:573g） Package contents: 1 x mountain bike cassette 1 x bicycle cassette installation tool 1 x bicycle derailleur hanger extender