A bicycle handgrip device, comprising: a first handgrip defining a first axis, the first handgrip comprising a first connection end and a second connection end on two ends thereof along the first axis, the first handgrip configured for being mounted around a handlebar of a bicycle through the first connection end; a second handgrip removably disposed on the second connection end of the first handgrip, the second handgrip defining a second axis, the second axis being arranged in perpendicular to the first axis and pointing at a ground surface when in use on the handlebar; the second handgrip comprises a containing portion concavely disposed along the second axis; and a light selectively disposed in the containing portion of the second handgrip and configure to project a light beam toward the ground surface, the light is separable from the containing portion of the second handgrip, the light comprises an illuminating portion and a connecting portion; the illuminating portion faces outward from the containing portion; characterized in that: the connecting portion comprises two position limiting portions protruding on an outer periphery of the connecting portion at intervals, with a fitting member mounted around the connecting portion between the two position limiting portions; the fitting member is fitted with the containing portion, and wherein the bicycle handgrip device further comprises a cover that is selectively and is removably disposed in the containing portion of the second handgrip along the second axis. a first handgrip defining a first axis, the first handgrip comprising a first connection end and a second connection end on two ends thereof along the first axis, the first handgrip configured for being mounted around a handlebar of a bicycle through the first connection end; a second handgrip removably disposed on the second connection end of the first handgrip, the second handgrip defining a second axis, the second axis being arranged in perpendicular to the first axis and pointing at a ground surface when in use on the handlebar; the second handgrip comprises a containing portion concavely disposed along the second axis; and a light selectively disposed in the containing portion of the second handgrip and configure to project a light beam toward the ground surface, the light is separable from the containing portion of the second handgrip, the light comprises an illuminating portion and a connecting portion; the illuminating portion faces outward from the containing portion; characterized in that: the connecting portion comprises two position limiting portions protruding on an outer periphery of the connecting portion at intervals, with a fitting member mounted around the connecting portion between the two position limiting portions; the fitting member is fitted with the containing portion, and wherein the bicycle handgrip device further comprises a cover that is selectively and is removably disposed in the containing portion of the second handgrip along the second axis. the connecting portion comprises two position limiting portions protruding on an outer periphery of the connecting portion at intervals, with a fitting member mounted around the connecting portion between the two position limiting portions; the fitting member is fitted with the containing portion, and wherein the bicycle handgrip device further comprises a cover that is selectively and is removably disposed in the containing portion of the second handgrip along the second axis.