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1.Single chainring design of wide and narrow teeth to prevent chain drop
2.Specially developed and designed for youth sports bicycles, the shaft-core integrated structure effectively reduces weight and provides better transmission effects. A variety of crank length options are available to meet the needs of different age groups.
2.Specially developed and designed for youth sports bicycles, the shaft-core integrated structure effectively reduces weight and provides better transmission effects. A variety of crank length options are available to meet the needs of different age groups.