You have decided to purchase theTRELOCK
bike computer FC 520 (uni-base),
FC 530 (uni-base) or FC 535 (night-light
base) and, as such, your choice is an
excellent one. Your new bike computer is
easy and convenient to operate thanks to
the visual guidance system and large mono-
button typical of TRELOCK products. Please
read through this manual prior to your initial
usage of the computer.
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