1. FAST: The high performance design of folding bike single speed flywheel provides fast riding speed while saving effort, so you can ride comfortably.
2. SILKY TURNING ACTION: Folding bike single speed flywheel has silky turning action without much noise, 90 click, 10mm or 0.39in hole diameter.
3. ALUMINUM ALLOY AND STEEL: Our folding bike single speed flywheel is made of excellent aluminum alloy and steel, which is strong, resistance and durable.
4. HIGH ACCURACY: The bike 9T flywheel freewheel has high accuracy thread machining to ensure a tight connection with the bike hub and silky running.
5. TWO BEARINGS: Our folding bike single speed flywheel has two bearings for M35x1.25‑30 tooth ringings. Practical and robust.

Spec:
Item Type: Folding Bike Flywheel
Material: Aluminum alloy, steel
Structure: 2 bearings, for M35x1.25-30 tooth
Use: For 412 type folding bike single speed conversion

Package List:
1 x Folding Bike Flywheel
1 x Socket