Abstract: The present invention is directed to a bicycle frame combined with an illuminating lamp. The bicycle frame includes a front pipe for assembling with a handlebar and a front fork. An illuminating lamp is directly built in the front pipe for providing a light source to illuminate the front of the bicycle frame. With this arrangement, unlike the conventional illuminating lamp hung on the outside of the bicycle, the loosening of the illuminating lamp due to the vibration of the bicycle and the deviation of the illuminating angle will not happen.

Abstract: The present invention is directed to a bicycle tire having a wear indicator. The tire has a plurality of tire ribs distributed on a tread to act as the portion of the tire directly contacting with the ground. The plurality of tire ribs comprise more than one indicative tire rib, and the indicative tire rib has at least one color block layer. When the color block layer is completely worn, it means that the extent of the wear has reached the standard of immediately replacing the tire. In addition, the indicative tire rib can be also provided at such a position that the extent of wear of the tire has reached to an extent of replacing with a new one immediately once the color block layer appears.

Abstract: The present invention discloses a bicycle seat post combining with a caution device. Mainly an end of the bicycle seat post receiving a saddle has a bent section. The bent section is formed to be as a cantilever, a tail end of the cantilever is set a lid in combination with a caution light or a reflector, and therefore the caution light or the reflector is able to be installed into a containing room provided by the lid without any connecting component.