Reviewed catalog recordAvailable

Shimano; owner-authorized use.

GRX BR-RX820 Flat Mount Brake Caliper

GRX RX820 · Hydraulic disc flat mount

Category: Brake caliper
Model year: Year not published
Market: Global
Variant key: br-rx820

Exact variant

Published identity and context

Weight

Unknown

No supported weight context is published for this variant.

SKU

Unknown

Manufacturer part number

BR-RX820

Catalog revision

1

Specification schema 1

Materials

Material information is unknown.

Published colors

Color information is unknown.

Also known as

No public aliases are recorded.

Schema version 1

Structured specifications

Brake type: Hydraulic disc; Shimano identifies BR-RX820 as a mineral-oil hydraulic disc brake caliper. Source: https://bike.shimano.com/en-NA/products/components/pdp.P-BR-RX820.html

Attributed statements

Compatibility context

These are source-backed manufacturer statements for this exact variant, not fitment advice or a compatibility guarantee.

Mount standard: Flat mount; Manufacturer-stated caliper mount standard. Source: https://bike.shimano.com/en-NA/products/components/pdp.P-BR-RX820.html

Canonical stock records

Bicycles listed with this component

These links reflect reviewed stock specifications. They do not guarantee compatibility with another size, market, year, or personal build.

No reviewed bicycle stock specification currently links this exact component.

Provenance

Evidence and freshness

Sources current

The listed evidence is available and has not been marked stale.

Identity
Shimano (opens in a new tab)
Fresh
Checked Oct 12, 2026
Review
Accepted
Confidence
Verified
Market
Global
Source type
Product Page
Evidence note: Owner-reviewed official evidence for Shimano GRX BR-RX820 Flat Mount Brake Caliper.
Classification Availability
Shimano (opens in a new tab)
Fresh
Checked Oct 12, 2026
Review
Accepted
Confidence
Verified
Market
Global
Source type
Product Page
Evidence note: Owner-reviewed official evidence for Shimano GRX BR-RX820 Flat Mount Brake Caliper.
Component Attributes
Shimano (opens in a new tab)
Fresh
Checked Oct 12, 2026
Review
Accepted
Confidence
Verified
Market
Global
Source type
Product Page
Evidence note: Owner-reviewed official evidence for Shimano GRX BR-RX820 Flat Mount Brake Caliper.

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Exact-variant experience

Ratings and written reviews

Reviews here apply only to Shimano GRX BR-RX820 Flat Mount Brake Caliper · Hydraulic disc flat mount. They are separate from comments on cyclist journeys and user-owned bicycles.

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