Nagy's Customs Monster Mega 10″ 98-23 HD Subwoofer or Midbass Adapter Rings (Pair)
Nagy's Customs Monster Mega 10″ 98-23 HD Subwoofer or Midbass Adapter Rings (Pair)
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Nagy's Customs Monster Mega 10″ 98-23 HD Subwoofer or Midbass Adapter Rings (Pair)
The Monster Mega 10" adapter rings are oversized rings that sit at the shock bump in a Harley-Davidson saddlebag. They are patent pending and sold in pairs. They fit any 10" subwoofer or midbass with a bolt pattern larger than 9.4.
No trimming gaskets to make a 10" sub fit
An oversized adapter ring means you do not have to remove gaskets from the subwoofer or trim the speaker itself.
- Outer diameter 11.02, mounting diameter 9.40
- Fits bolt patterns larger than 9.4
- Can be opened up for the JLTW3
Key Product Details
| Product | Nagy’s Customs Monster Mega 10" Subwoofer or Midbass Adapter Rings |
| Fitment (per product title) | Harley-Davidson 1998–2023 |
| Location | Sits at the shock bump |
| Outer diameter | 11.02 |
| Mounting diameter | 9.40 |
| Speaker fit | Any subwoofer or midbass with a bolt pattern larger than 9.4 |
| Status | Patent pending |
| Sold as | Pair |
The listing gives the diameters without units. Confirm your speaker’s bolt pattern before ordering.
Why an Oversized Ring
These rings are made for the newer 10" midbass and subwoofer designs. The oversized ring means you no longer need to remove the gaskets from the subwoofer or trim down the speaker itself to make it fit.
The ring can be opened up to accommodate the JLTW3, and you can clock the speaker in any position. It is also designed to work with the Nagy’s toppers with a little bit of trimming. See the removable bag seals.
What Does Not Fit
Anything with a mounting diameter smaller than 9.3 needs the regular rings on the website, or a reducer ring, which Nagy’s Customs also carries. Browse the Nagy’s Customs adapter rings.
Sales Policy
These are custom-made parts and all sales are final.
Related Paths
Nagy’s Monster Mega 10" Rings FAQ
What speakers do the Monster Mega rings fit?
Any 10" subwoofer or midbass with a bolt pattern larger than 9.4.
What if my speaker has a smaller mounting diameter?
The listing says that if you need to run anything smaller than a 9.3 mounting diameter, you would need to buy the regular rings on the website. A reducer ring is also available from Nagy’s Customs.
Can I fit a JLTW3?
Yes. The rings can be opened up to accommodate the JLTW3, and you can clock the speaker in any position.
Do they work with the Nagy’s bag seals?
They are designed to work with the Nagy’s toppers with a little bit of trimming.
Can I return them?
These are custom-made parts and all sales are final.
Need Help Choosing?
Check your 10" speaker’s bolt pattern against these rings with us before you order. Call or start a consultation.