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Highway Bicycle 110/130BCD Variable Speed Double Chain 34T-50T 36T-52T Sprocket

Highway Bicycle 110/130BCD Variable Speed Double Chain 34T-50T 36T-52T Sprocket

Applicable specifications: 110BCD&130BCD. 130BCD:39T/53T/42T/55T/46T/56T. Product: Highway Double Sprocket Crank Set Accessories. Features: Long positive and negative teeth, good chain effect, wide and narrow sprocket design, more robust, lighter, stronger bite force, preventing the sliding chain from falling off;.