1. ALUMINUM ALLOY: Crafted from premium aluminum alloy material, our product boasts excellent durability, resistance, and long lasting performance. Enjoy a reliable and sturdy folding bike.
2. HIGH PERFORMANCE RIDING: Experience effortless rides with our advanced design, delivering swift speeds while reducing exertion. Enjoy fine rotations with minimal noise for an enjoyable and efficient cycling journey.
3. THREAD PROCESSING: Our accurate thread processing provides a secure connection between the tower base and the bikes hub, ensuring a stable and steady operation every time you ride.
4. ENHANCED RIDING EXPERIENCE: Upgrade your folding bike with our modification to enjoy an accurate and efficient riding experience, granting you improved control and overall performance on the road.
5. EASY INSTALLATION: Our user friendly installation process allows for quick and hassle free upgrades, enabling you to enhance the functionality and convenience of your folding bike in no time.

Specification:
Item Type: Bike flywheel
Material: Aluminium alloy
Weight: Approx. 120g / 4.2oz
Structure: 2 bearing, for M35x1.25 30 teeth

packing list:
1 x Flywheel
1 x Sleeve