A bicycle solitary chainring of a bicycle front crankset and adapted for engagement with a drive chain, comprising: a plurality of teeth extending from a periphery of the chainring wherein the plurality of teeth formed on the periphery of the chainring, the plurality of teeth consisting of an even number; the plurality of teeth including a first group of teeth and a second group of teeth, wherein the first group of teeth and the second group of teeth are equal in number, wherein each tooth of the plurality of teeth includes an outboard side and an inboard side opposite the outboard side and each tooth of the first group of teeth includes at least a first protrusion on the outboard side and each tooth of the second group of teeth is free of protrusions, wherein the overall width of each tooth of the first group of teeth is wider than the overall width of the teeth of the second group of teeth by the extent of the at least first protrusion, wherein the teeth of the second group of teeth are arranged alternatingly and adjacently between teeth of the first group of teeth such that a single tooth of the first group of teeth follows along the peripheral drive direction to a successive single tooth of the second group of teeth and a single tooth of the second group of teeth follows along the peripheral drive direction to a successive single tooth of the first group of teeth; wherein a feature of the teeth of the first group of teeth and the second group of teeth of the chainring is an offset of the center of the top land from the centerline in a direction toward the inboard side of the chain ring, the offset feature being configured to provide better guiding of the drive chain to one side of the chainring. a plurality of teeth extending from a periphery of the chainring wherein the plurality of teeth formed on the periphery of the chainring, the plurality of teeth consisting of an even number; the plurality of teeth including a first group of teeth and a second group of teeth, wherein the first group of teeth and the second group of teeth are equal in number, wherein each tooth of the plurality of teeth includes an outboard side and an inboard side opposite the outboard side and each tooth of the first group of teeth includes at least a first protrusion on the outboard side and each tooth of the second group of teeth is free of protrusions, wherein the overall width of each tooth of the first group of teeth is wider than the overall width of the teeth of the second group of teeth by the extent of the at least first protrusion, wherein the teeth of the second group of teeth are arranged alternatingly and adjacently between teeth of the first group of teeth such that a single tooth of the first group of teeth follows along the peripheral drive direction to a successive single tooth of the second group of teeth and a single tooth of the second group of teeth follows along the peripheral drive direction to a successive single tooth of the first group of teeth; wherein a feature of the teeth of the first group of teeth and the second group of teeth of the chainring is an offset of the center of the top land from the centerline in a direction toward the inboard side of the chain ring, the offset feature being configured to provide better guiding of the drive chain to one side of the chainring.