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83 48t steel bicycle crankset products are offered for sale by suppliers on Alibaba.com, of which bicycle crank & chainwheel accounts for 90%. A wide variety of 48t steel bicycle crankset options are available to you, such as alloy, aluminum alloy.You can also choose from road bike, kids' bikes and cruisers 48t steel bicycle crankset,as well as from aluminum, carbon steel, and stainless steel 48t steel bicycle crankset, and whether 48t steel bicycle crankset is black, silver, or white.