Shock-proof navigation stand for locomotive mounted by bicycle and rider.Fast loading, one-key lock, one-hand operation, one-second take-and-put, universal ball adjustment free rotation angle, not block the screen, easy to operate, aluminum alloy base, stable and stable, four-way adjustment, wide applicability, free scaling, easy to match most models on the market, cushion protection, don't hurt the phone, don't need the tools, just take it apart and install it
