The cassette gasket for flywheel is crafted to deliver performance and durability. Its precision-engineered design reduces wear and ensures smooth operation, making it perfect for bicycle cassette spacer replacement. Compatible with various flywheel hub washer spacer setups, it enhances riding stability and efficiency, catering to cyclists seeking reliable upgrades. Features -Color:Silver -Material:Alloy -Size:4.00X4.00X0.20cm/1.57X1.57X0.08in -Sturdy: the bicycle flywheel cassette gasket for bike is crafted from durable materials, ensuring reliability and performance -Easy adjustment: the bike headset washer allows for quick and easy adjustments, helping you achieve the perfect setup for your cycling needs -Universal fit: the cassette spacer for bike flywheel is compatible with a wide range of bike models, flexibility for different cycling preferences - Cycling support: tailored to meet the demands of daily commutes and outdoor adventures, ensuring a dependable riding experience -Enhanced efficiency: the bicycle spacer for bike flywheel improves gear shifting and overall flywheel functionality, making your cycling experience smoother and more efficient Package list: 5 x bicycle cassette spacers