# HJC RPHA 31 Helmets

## About the HJC RPHA 31

The HJC RPHA 31 is a open-face motorcycle helmet from HJC. Browse every RPHA 31 colorway in stock, plus the exact replacement shields, Pinlock inserts, cheek pads and liners that fit it.

Shop the full [HJC range](/collections/hjc-helmets) or all [open-face helmets](/collections/open-face-helmets).

## Key Features

-   **Genuine HJC RPHA 31** construction and authorized-dealer fitment
-   **Open-face design**
-   **Removable, washable** comfort liner
-   Every in-stock RPHA 31 colorway and graphic shown above

## Who It’s For

Riders who want HJC’s open-face protection and fit in the RPHA 31.

## Shields, Inserts & Fit Parts

**Replacement shields & inserts:** The HJC RPHA 31 uses the **HJ-39** face shield. Shop replacement HJ-39 shields & Pinlock inserts: [HJ-39 Shield & Insert collection](/collections/hjc-hj-39-shield-pinlock).

## Fit & Sizing

**Find your size:** Check the [HJC size chart](/pages/size-charts) before ordering.

## HJC RPHA 31 FAQs

What shield fits the HJC RPHA 31?

It uses the HJ-39 shield — see the HJ-39 collection for clear, tinted and Pinlock-ready options.

What cheek pads or liners fit the RPHA 31?

Model-specific comfort parts are in our cheek pad & liner collections.

How do I find my size?

Measure your head about an inch above the eyebrows and check the HJC size chart.

## Related

-   [All HJC Helmets](/collections/hjc-helmets)
-   [Open-face Helmets](/collections/open-face-helmets)
-   [Replacement Shields (HJ-39)](/collections/hjc-hj-39-shield-pinlock)
-   [Shield & Insert Guide](/pages/shield-pinlock-guide)
-   [Size Charts](/pages/size-charts)

## Products in this collection

- [RPHA 31 GEAR PLATE SET](helmetshop.com/products/rpha-31-gear-plate-set) - 24.99 USD
- [RPHA 31 Helmet - Solid](helmetshop.com/products/rpha-31-helmet-solid) - 489.99 USD
- [RPHA 31 Dereen Helmet MC6HSF](helmetshop.com/products/rpha-31-dereen-helmet-mc6hsf) - 549.99 USD
- [RPHA 31 Dereen Helmet MC5SF](helmetshop.com/products/rpha-31-dereen-helmet-mc5sf) - 549.99 USD
- [RPHA 31 Dereen Helmet MC21](helmetshop.com/products/rpha-31-dereen-helmet-mc21) - 549.99 USD

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> Source: [The Helmet Shop](helmetshop.com/collections/hjc-rpha-31-helmets)
> Updated: 2026-06-17