Swenor Alutech Classic Fenders Fluoro-Free Care: The structure roller is

Care: The structure roller is precision stainless steel—handle with care to protect the fine groove pattern from damage

Hard white 6mm nylon bristles are good for polishing of harder waxes and cleaning structure

They are light ( ~190g per pair)

For an upgraded racing version

Red Creek's felt roto is a top quality fleece brush

Swenor Alutech Classic Fenders Fluoro-Free Care: The structure roller isA pack of four replacement fenders for Swenor Alutech Classic Rollerskis. Comes with the screws required for installation. Available in black for the yellow alutechs, or white for the pink alutechs! Alutech Jr fenders are a different product!