# Quad Lock 20mm Ball Top Cap Adaptor

-   20mm ball version connects to 20mm socket arm systems (common on European mounts)
-   Smart adaptor for riders running mixed Quad Lock + ball-mount ecosystems
-   Quad Lock Ball Top Cap Adaptor — converts the Quad Lock 360 system to ball mount compatibility
-   1" ball version connects to RAM-style 1" ball arms and bases
-   Compatible with the Quad Lock 360 modular system
-   Genuine Quad Lock product — proper fit and finish

Quick one: the 20mm Ball Top Cap Adaptor converts the Quad Lock 360 system to ball-mount compatibility. The Ball Top Cap Adaptor adapts the Quad Lock 360 modular system to ball-style mounting interfaces. 1" ball version connects to RAM-style 1" ball arms and bases; 20mm ball version connects to 20mm socket arm systems (common on European motorcycle mounts). Aluminum construction designed for motorcycle and outdoor use. Compatible with the Quad Lock 360 modular system and ball-mount accessories. Smart adaptor for riders running mixed Quad Lock 360 + ball-mount ecosystems. We sell these to riders bridging Quad Lock 360 setups to ball-mount accessory ecosystems. Genuine Quad Lock product with proper fit and finish. Aluminum construction designed for motorcycle and outdoor use. This product slots into the wider Quad Lock ecosystem — phone cases, motorcycle mounts, bicycle mounts, car mounts, wireless charging heads, and weatherproof accessories that all share the same locking interface. Backed by Quad Lock's manufacturer's warranty.

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## Details

- **Price:** 19.99 USD
- **Vendor:** Quad Lock
- **Type:** Phone - Mounts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 19.99 USD | In stock |

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> Source: [The Helmet Shop](https://helmetshop.com/products/20mm-ball-top-cap-adaptor)
> Updated: 2026-06-03