DW 9900BD Bass Drum Mount Double Tom Holder with Sliding Rail
The 9900BD is a double tom holder that mounts on the bass drum and holds both drums from a sliding rail. The rail is the whole idea: instead of two positions fixed by where the holes are, the arms slide sideways and lock wherever the drums fall under your hands.
What sets it apart
- Mounts directly on the bass drum
- Sliding rail to move the arms sideways
- 1/2 in tom arms, compatible with DW TB12 mounts
- Ball-joint adjustment on each arm
- Heavy-gauge tubing, oversized joints
- No tripod, no floor space taken
The rail solves a problem as old as the tom mount
A bolted mount fixes the spacing of the toms the moment you drill. If the drummer changes drum sizes, adds a drum or changes their seating position, the spacing stays, and you have to drill again, which no drummer wants to do twice on the same drum.
The rail separates the two. The holes fix the mount; the rail fixes the toms. You move the arms a few centimetres without touching the shell, as many times as you like.
Why stay on the bass drum
A floor tom stand frees the bass drum but takes up three legs. On a narrow stage or in a pit, those three legs compete for space with the hi-hat and the snare.
Mounting the toms on the bass drum gives all that space back. It is the classic choice, and the rail removes its main weakness, rigid placement, without taking away its advantage.
What to check before ordering
The manufacturer states that this holder mounts directly on the bass drum, without detailing the hardware or publishing a hole spacing. The shell therefore needs to already have the right mounting points, or you need to accept drilling them.
On a shell already drilled for another system, matching the holes is the only question to settle before buying, and a tape measure settles it.
Specifications
| Mounting | On the bass drum |
|---|---|
| Side-to-side movement | Sliding rail |
| Arms | 1/2 in, TB12 compatible |
| Angle | Ball joint |
| Floor footprint | None |
What it is for
- A classic kit with two toms on the bass drum
- Narrow stage or orchestra pit
- Changing tom sizes without drilling again
- Replacing a rigid original tom mount
- A setup that has to stay quick, night after night
Compare with other manufacturers
Bass drum mounted tom holders from other makers:
| Manufacturer | Comparable model | What differs |
|---|---|---|
| Tama | Double tom holder on the bass drum | Hex-section arms, fixed spacing |
| Pearl | 930 series tom holder | Single block, no sliding rail |
| Gibraltar | Rail mount | Longer rail, designed for three arms |
| Yamaha | Shell-mounted tom holder | The manufacturer's own mount, not interchangeable |
Frequently asked questions
- Do I have to drill my bass drum?
- It mounts directly on the shell. If your bass drum is already drilled for another holder, check that the mounting points match before ordering: the manufacturer does not publish a hole spacing.
- How far do the arms slide?
- Along the full length of the rail. The manufacturer does not publish that distance; measure the spacing you want before buying.
- Can I mount just one tom on it?
- Yes. The second position stays free or takes an accessory clamp.
Avis clients
Did the rail save you from drilling another hole?
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