Could possibly use a splitter cable to give your kit a double bass.
Alesis Debut Drum Kit Spare Parts | Module Loom Pads Cymbals Pedals Clamps | Cho
Alesis debut drum rack with rubber feet, ideal for expanding your debut kit
Alesis Debut Drum Replacement Parts – Pad, Pedal, Cable, Module, Cymbal, Clamp
Alesis Turbo Drum Kit Tom Pad Mesh Original Spare Part Replacement Tom
ALESIS DM5 | DRUM KIT | HI-HAT | RIDE | CRASH | SET | TUBE CLAMP LEAD CYMBAL