"Spend ten racks on a new chain" is a sentence in the hip-hop/
trap song called "Gucci Gang", the song is sung by a teen by the name
Gazzy García (most known as Lil Pump).
"Spend ten racks on a new chain" is often mixed with the sentence "
Spend three racks on a new chain".
"Spend ten racks on a new chain" means "spend ten thousand on a new chain" (spend ten thousand dollars on a new chain).
Gucci gang, Gucci gang, Gucci gang, Gucci gang
Gucci gang, Gucci gang, Gucci gang (Gucci gang!)
Spend ten racks on a new chain