Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Material: The Crankset Washeres with Thicknesses of 1mm 2mm and 3mm are made of Aluminium Alloy, and the Crankset Washeres with Thicknesses of 0.1mm 0.2mm and 0.3mm are made of Stainless Steel
•There are THREE kinds of Crankset Washer with Diamater 24mm 29mm and 30mm and SIX thicknesses of 0.1mm 0.2mm 0.3mm 1mm 2mm and 3mm in one set
•There are totally 18 pcs Crankset Washer in one set for you
•There are full sizes for you to adjust your flywheel and bottom bracket, for mountain bike and road bike