Lightweight 10 speed freewheel for bicycles Key benefits Easy installation and removal with special tools, saving maintenance time and effort. Lightweight aluminum alloy and stainless steel construction provides durability without adding unnecessary weight. Designed for 10 speed drivetrains, ensuring reliable compatibility with compatible bikes. Construction and materials Material: Aluminum alloy and stainless steel combination. Structure: Lightweight design optimized for performance and durability. Installation and preparation Installation notes: Use the required special tools for installation and removal. Before installing, check the accessories list and schematic diagram to confirm that all parts are present. Specifications and compatibility Product type: Bicycle 10 speed freewheel Suitable for 10speed bicycle drivetrains Material: Aluminum alloy and stainless steel combination design Use scenarios Replacing a worn freewheel on a 10speed road bike during routine maintenance. Refurbishing an older 10speed bicycle to improve durability and reduce weight. Keeping a spare part on hand in a bike for quick service of 10speed bikes.