An endoscope comprising: a control portion; an insertion portion which extends from said control portion; a raising base which is installed in said insertion portion to be rotatable; a recess which is formed in said insertion portion at a different position from said raising base; a flexible control wire which is movable along an axis thereof relative to said insertion portion, one end of said control wire being positioned in said recess, wherein a part of said control wire that extends toward said control portion from said one end of said control wire is positioned inside said insertion portion; a link member which is provided in said recess and connects said one end of said control wire to said raising base; and a cover which is detachably attached to said insertion portion to close said recess, thereby covering said one end of said control wire and said link member, wherein said link member includes a rotational shaft which is coaxial with an axis of rotation of said raising base, said rotational shaft being provided in said recess to be irrotatable relative to said raising base and to be detachably connected to said raising base; and a connecting portion which is irrotatably connected to said rotational shaft in said recess, said one end of said control wire being connected to a portion of said connecting portion at a position that is offset from said rotational shaft, characterized in that said connecting portion is detachably connected to said rotational shaft, wherein said connecting portion is slidable relative to said rotational shaft in an axial direction thereof, wherein said endoscope further comprises: a first slide prevention portion which is formed at a middle portion of said rotational shaft and radially projects therefrom to prevent said connecting portion from sliding toward said raising base, and a second slide prevention portion which is formed on an inner surface of said cover to prevent said connecting portion from sliding toward an opposite side of said connecting portion from said raising base side at a position where said connecting portion does not come off said rotational shaft. a control portion; an insertion portion which extends from said control portion; a raising base which is installed in said insertion portion to be rotatable; a recess which is formed in said insertion portion at a different position from said raising base; a flexible control wire which is movable along an axis thereof relative to said insertion portion, one end of said control wire being positioned in said recess, wherein a part of said control wire that extends toward said control portion from said one end of said control wire is positioned inside said insertion portion; a link member which is provided in said recess and connects said one end of said control wire to said raising base; and a cover which is detachably attached to said insertion portion to close said recess, thereby covering said one end of said control wire and said link member, wherein said link member includes a rotational shaft which is coaxial with an axis of rotation of said raising base, said rotational shaft being provided in said recess to be irrotatable relative to said raising base and to be detachably connected to said raising base; and a connecting portion which is irrotatably connected to said rotational shaft in said recess, said one end of said control wire being connected to a portion of said connecting portion at a position that is offset from said rotational shaft, characterized in that said connecting portion is detachably connected to said rotational shaft, wherein said connecting portion is slidable relative to said rotational shaft in an axial direction thereof, wherein said endoscope further comprises: a first slide prevention portion which is formed at a middle portion of said rotational shaft and radially projects therefrom to prevent said connecting portion from sliding toward said raising base, and a second slide prevention portion which is formed on an inner surface of said cover to prevent said connecting portion from sliding toward an opposite side of said connecting portion from said raising base side at a position where said connecting portion does not come off said rotational shaft. a first slide prevention portion which is formed at a middle portion of said rotational shaft and radially projects therefrom to prevent said connecting portion from sliding toward said raising base, and a second slide prevention portion which is formed on an inner surface of said cover to prevent said connecting portion from sliding toward an opposite side of said connecting portion from said raising base side at a position where said connecting portion does not come off said rotational shaft.