ITEM NAME:3pcs/set Flywheel Gasket Mountain Bike MTB Bottom Home Hub Washer Repair Grooved Features: Made of aluminum alloy, durable and not easy to break. Lightweight and no other tools, easy to install and remove. Perfect for adjusting your bicycle bottom bracket, flywheel or hub. Suitable for outdoor cycling mountain bike, road bike and so on. 1mm, 1.5mm, 2mm, three sizes per set, can meet your needs. Specifications: Material: Aluminium Alloy Color: Black Size(Approx.): 1mm, 1.5mm, 2mm Package Included: 3 pcs&;nbsp;Flywheel Gaskets Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement..Perfect for adjusting your bicycle bottom bracket, flywheel or hub. 3 pcs&;nbsp;Flywheel Gaskets. Made of aluminum alloy, durable and not easy to break. Due to the light and screen difference, the item's color may be slightly different from the pictures.