TANKE Bicycle Crank Square Hole Sprocket 104BCD 170mm，Round 32/34/36/38/40/42/44T Narrow Chainrings MTB Crankset Single Crown

TANKE Bicycle Crank Square Hole Sprocket 104BCD 170mm，Round 32/34/36/38/40/42/44T Narrow Chainrings MTB Crankset Single Crown

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