Bicycle 9 Speed Cassette 12‑42T Electric Bicycle Cassette Electric Bicycle Cassette Flywheel

Feature: 1. Prime Material: The electric bicycle cassette is made of premium aluminum alloy, not easy to rust, durable. 2. No Noise: This electric bicycle cassette rotates smoothly and noiselessly, bringing a good using experience. 3. The High Accuracy Internal Thread: The high accuracy internal thread of this cassette ensures a tight connection with the bicycle wheel hub. 4. Skeletonized Design: Skeletonized design can easily reduce the weight, reduce the burden of riding, a good balance between strength and weight. 5. Easy to Install and Use: This cassette is easy to install and use and is ideal for reducing the weight of your bike. Specification: Item Type: Electric Bicycle Cassette Weight: 637g 22.47oz Material: Aluminum Alloy. Package List: 1 x Flywheel3 x Spline