Whether you're a seasoned cyclist or just starting, this conversion washer is a must-have accessory. Its multi-functional design means it can be used with a wide range of bike models and brands, making it a versatile addition to any cyclist's toolkit. Features -Color:Black -Material:Stainless steel -Size(big washer):5.20X5.20X0.30cm/2.04X2.04X0.12in -Size(screw):1.70X1.00X1.00cm/0.67X0.39X0.39in -Size(small washer):2.90X2.90X0.30cm/1.14X1.14X0.12in -Note:suitable for front hub 100mm to 110mm conversion and rear hub 142mm to 148mm conversion. -It is made of stainless steel materials, has a strong structure, durable and will not be easily damaged. -With good fastening function, it can well protect your bike accessories. -The excellent production process makes it have a smooth and comfortable without burrs, can use it with peace of mind. -The product has a wide range of applications, and is an choice for mountain bikes, road bikes, etc. -The light weight of the material is reducing the need for riding. Package list: 6 x screws 1 x big washers 2 x small washers