Patent ID: 6981413

Claim:
A handle stem for use with a bicycle, comprising a speed indicator and an indicator housing portion having a recess formed therein said speed indicator being received in said recess, wherein said speed indicator being formed of a body including a circuit board and a liquid-crystal display and a battery housing detachable from the body, said battery housing has an open upper end and a closed downward end, and said body being fixed to said indicator housing so as to attach said speed indicator to said handle stem and allow said battery housing to be freely attachable/detachable, and said indicator housing portion having a through hole opening downward at the bottom of said recess, said body having, on the bottom thereof, an engagement part for engaging within said through hole, and said battery housing at the upper end having a battery-case engagement tab engaging with said engagement part in a fashion that said battery housing protrudes downward from said body and said through hole, and is attachable/detachable from below said handle stem by rotation of said battery housing.