Single Speed Freewheel, High Strength Steel Bicycle Flywheel Sprockets Parts for Fixed Gear Bike 13/14/15/16T

HIGH PERFORMANCE: Constructed of high strength steel with galvanization processing, anti-corrosion, high performance of durability.
FLUENT TURNING: Fluent turning movement without much noise.
CLOSE CONNECTION: The inner thread is finished with high precision, which ensure close connection with the bike hub and smooth operation.
FAST RIDING SPEED: Providing fast riding speed with less effort needed.
FIXED GEAR BIKE: Usually applied for fixed gear bike bicycles.