| 摘要 |
A field serviceable device in conjunction with a pivoting means and a stationary means, such as a bicycle derailleur and a derailleur hanger, respectively. The device comprises a head, a barrel, a flange, and a pin. The barrel comprises a barrel-flange connector and barrel-pin connector on a first end, and a barrel-head connector on a second end. The head, flange, and pin are independently connected to the barrel. The pin has a pin-tool opening extending through the pin, and the barrel has a barrel-tool opening of sufficient dimension extending through the barrel such that a pin tool can extend into the barrel-tool opening without interference. The pin further defines a pin fracture notch that is designed to fracture before the pivoting means or stationary means is damaged due to a force applied to the pivoting means or stationary means by debris impacting the pivoting or stationary means or becoming wedged between, for example, the bicycle frame and the derailleur. The pin is designed such that the fractured pin is easily removed and replaced, without releasing the pivoting means from the head, barrel, and flange, thereby restoring the functionality of the pivoting and stationary means.
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