11-28T Bike Sprocket 7 Speed Cassette, Chrome Molybdenum Steel Bike Speed Flywheel with Chain Guide Slot and Mud Discharge Holes for Folding Bike Conversion

Item Type: Bike Speed FlywheelMaterial: Chrome molybdenum steelGross Weight: 278g/9.8ozProduct Style: 7 speed 11-28T silverPackage List：1 xBike Speed Flywheel3 x Accessories

• Precision Shifting Performance: This 7 speed cassette features a chain guide slot design that ensures smooth and responsive gear changes, making your ride more efficient and enjoyable on city streets or hilly terrain.
• Durable - Build: The bike speed flywheel is crafted from high-strength chrome molybdenum steel and finished with triple-layer -chrome plating, offering excellent rust and resistance even in wet conditions.
• Designed for Conversions: Specifically engineered as a replacement for external 7 speed cassette flywheels on folding bikes, this bike sprocket enables seamless drivetrain upgrades and custom setups for urban commuters and touring cyclists.
• Lightweight and Easy to Clean: Equipped with strategically placed mud discharge holes, this bike speed cassette reduces overall weight and prevents debris buildup, allowing quick cleaning after muddy or rainy rides.
• High-Tension Structural Integrity: The bike sprocket includes a reinforced high-tension backplane that maintains alignment under load, ensuring long-lasting performance and reliable power transfer during daily use or long-distance cycling.