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Single Chainring Fits For 9/10/11S 104 BCD 1X MTB Crankset. Crank length: 165mm. A: yes, this crank is double crankset design. You can modify the crank into single speed chainset,2 pieces chainring crankset.

Single Chainring Fits For 9/10/11S 104 BCD 1X MTB Crankset. Crank length: 165mm. A: yes, this crank is double crankset design. You can modify the crank into single speed chainset,2 pieces chainring crankset.