Description: *Brand new and high quality *Made of high quality material, durable and practical to use *1/1.5/2/1.85/2.18/2.35mm Bicycle Flywheel Cassette Washer Freehub spacer Bike Hub Washer *Aluminum alloy material, high hardness, light weight *The card slot design is adopted to fit closely with the card tower foundation without rotation *1/1.5/2/1.85/2.18/2.35mm, suitable for flywheel of different speeds *Perfect for adjusting your bike bottom bracket, flywheel or hub. Specification: *Material: Aluminum alloy *Color: Black *Dimension: outer diameter 38.8mm, inner diameter 34.8mm *Thickness: 1mm/1.5mm/2mm/1.85mm/2.18mm/2.35mm *Weight: about 2.5g/2.9g/3.3g/3.2g/3.4g/3.5g *Applicable: HG cartridge flywheel tower base Package Includes: 3 x Bike Freewheel Gasket Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.Thank you! Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues. If you have any questions, please feel free to contact us, we will solve it for you. 1/1.5/2/1.85/2.18/2.35Mm Bicycle Flywheel Cassette Gasket Spacer Bike Hub Washer