Level

Item

Qty

$0---$

Bicycle

$1$

$-1--$

Wheels

$2$

$--2-$

Spokes

$30$

$--2-$

Gear Assembly

$1$

$-1--$

Handle bar

$1$

$-1--$

Frame

$1$

In the above indented bill of material $($BOM$),$ how many units of Spokes are required to make $16$ units of bicycles?