12 Speed Bike Cassette High Strength Steel Nickel Plated Mountain Bicycle Freewheel Durable Wear Resistant for Mountain Bikes Road Bikes Red Aluminum Alloy Frame 203mm

[DURABLE WEAR RESISTANT] The bicycle flywheel is crafted from high strength steel with a nickel plated finish and advanced hardening technology. This ensures exceptional wear resistance durability and impact resistance. It also offers high temperature resistance corrosion resistance and rust prevention making it a long lasting choice for any cycling enthusiast.[SMOOTH PRECISE SHIFTING] Designed with a special tooth shape slope and lost tooth design this cassette provides fast and accurate indexing conversion. The unique irregular cut angle tooth shape ensures compatibility with various gear shift chains. Enjoy flexible and smooth shifting for a seamless riding experience.[LIGHTWEIGHT STRONG] The hollow design reduces weight without compromising strength making it easier to ride. The reinforced aluminum frame and mud holes enhance durability and performance. This lightweight yet sturdy cassette is perfect for those looking to reduce bicycle weight while maintaining high performance.[EASY INSTALLATION] Professionally manufactured for direct replacement of old or damaged flywheels this cassette is an excellent accessory for both mountain and road bikes. Installation is quick and hassle free requiring no adjustments to the shifting system. The unique chain design ensures optimal shifting control.[VERSATILE MAINTENANCE FRIENDLY] Featuring an independent small tooth ring design this cassette allows for easy replacement and maintenance of frequently used small teeth. With high tooth shape accuracy and a gearless design it offers strong compatibility and enhances your riding possibilities.Spec:Item Type: Bike FreewheelMaterial: Main Body Steel Nickel Plated + Aluminum Alloy Frame (Red)Product Size: Diameter Approx. 203mm/7.9in Speed: 12 SpeedNumber of Gear Teeth: 11-13-15-17-19-21-24-28-32-36-42-50TPackage List：1 x Bicycle Flywheel2 x Sprocket1 x Lock

• [DURABLE & WEAR RESISTANT] The bicycle flywheel is crafted from high strength steel with a nickel plated finish and advanced hardening technology. This ensures exceptional wear resistance durability and impact resistance. It also offers high temperature resistance corrosion resistance and rust prevention making it a long lasting choice for any cycling enthusiast.
• [SMOOTH & PRECISE SHIFTING] Designed with a special tooth shape slope and lost tooth design this cassette provides fast and accurate indexing conversion. The unique irregular cut angle tooth shape ensures compatibility with various gear shift chains. Enjoy flexible and smooth shifting for a seamless riding experience.
• [LIGHTWEIGHT & STRONG] The hollow design reduces weight without compromising strength making it easier to ride. The reinforced aluminum frame and mud holes enhance durability and performance. This lightweight yet sturdy cassette is perfect for those looking to reduce bicycle weight while maintaining high performance.
• [EASY INSTALLATION] Professionally manufactured for direct replacement of old or damaged flywheels this cassette is an excellent accessory for both mountain and road bikes. Installation is quick and hassle free requiring no adjustments to the shifting system. The unique chain design ensures optimal shifting control.
• [VERSATILE & MAINTENANCE FRIENDLY] Featuring an independent small tooth ring design this cassette allows for easy replacement and maintenance of frequently used small teeth. With high tooth shape accuracy and a gearless design it offers strong compatibility and enhances your riding possibilities.