CPC B62K 19/40 (2013.01) [B62K 19/06 (2013.01); B62M 6/90 (2013.01)] | 13 Claims |
1. A bicycle frame down tube comprising:
a battery opening for inserting or removing a battery;
a switch opening; and
a mechanical switch arranged in the switch opening, wherein the mechanical switch comprises a switching element, and wherein the switching element mechanically acts upon an on/off switch provided on the battery when the battery is mounted inside the frame down tube.
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