10mm Hole 9T Single Speed Freewheel, Single Speed Freewheel Flywheel, Cycling Modified Accessory Single Speed Cog Sprocket Freewheel for Mountain Bike Replacement

Description:This folding bicycle features a single-speed flywheel made of aluminum alloy and steel, equipped with dual bearings and high-precision threads. The 9T gear size allows for smooth rotation and saves energy.Specification:Item Type: Folding Bike FlywheelMaterial: Aluminum alloy, steelStructure: 2 bearings, for M35x1.25-30 tooth ringUse: For 412 type folding bike single speed conversionPackage List:1 x Folding Bike Flywheel1 x Socket

• Fast: The high performance design of single speed freewheel provides fast riding speed while saving effort, so you can ride comfortably
• Smoother Turning Action: This folding bike single speed flywheel has smoother turning action without much noise, 90 click and 0.39in hole diameter
• Aluminum Alloy and Steel: Our folding bike single speed flywheel is made of excellent aluminum alloy and steel, which is strong, durables
• High Accuracy: The bike 9T flywheel freewheel has high accuracy thread machining to ensure a tight connection with the bike hub and smoother running
• Two Bearings: Our folding bike single speed flywheel has two bearings for M35x1.25‑30 tooth rings. Practical and robust