Speed indicator for a shifting device of bicycle

A speed indicator for a shifting device of a bicycle, said speed indicator being mountable on a bicycle handlebar and operated by a shifting device, the shifting device having an arresting face, said speed indicator comprising:

• a housing mountable on a bicycle handlebar and provided with a slide portion and a window;
• a rotating member pivoted with said housing and provided at one end thereof with a first long hole and at another end thereof with a second long hole;
• an actuation set having an urging rod urged by an elastic member and disposed on said housing, said urging rod urging at one end thereof said arresting face of said shifting device, a first guide pin being inserted into said first long hole of the rotating member, the first guide pin connected to the urging rod;
• a display member slidably disposed on said slide portion of said housing and provided with a second guide pin which is correspondingly inserted into said second long hole of said rotating member;
• and
• said shifting device via the rotation of the arresting face thereof urging said actuation set to displace at such time when said shifting device is turned to gear shift, thereby causing said rotating member to rotate so as to link said display member to slide in said slide portion of said housing to indicate gear transmission.