Reviewed catalog recordAvailable

Shimano; owner-authorized use.

DURA-ACE RT-CL900 Disc Brake Rotor

DURA-ACE RT-CL900 Disc Brake Rotor · 180 mm, CENTER LOCK

Category: Brake rotor
Model year: Year not published
Market: Global
Variant key: 180-mm-center-lock

Exact variant

Published identity and context

Weight

Unknown

No supported weight context is published for this variant.

SKU

Unknown

Manufacturer part number

Unknown

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

Material: Stainless steel and aluminum sandwich construction; Rotor construction: stainless steel, aluminum, stainless steel. CENTER LOCK. ICE TECHNOLOGIES FREEZA. Source: https://productinfo.shimano.com/index.html/product/RT-CL900
Claimed weight

139 g

Shimano average weight without lock ring. 180 mm rotor. Source: https://productinfo.shimano.com/index.html/product/RT-CL900

Attributed statements

Compatibility context

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

No compatibility context are published for this exact variant.

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 DURA-ACE RT-CL900 Disc Brake Rotor.
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 DURA-ACE RT-CL900 Disc Brake Rotor.
Frame Fork Material
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 DURA-ACE RT-CL900 Disc Brake Rotor.
Weight
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 DURA-ACE RT-CL900 Disc Brake Rotor.

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Builds, stories, and experience

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Journey entries

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Exact-variant experience

Ratings and written reviews

Reviews here apply only to Shimano DURA-ACE RT-CL900 Disc Brake Rotor · 180 mm, CENTER LOCK. They are separate from comments on cyclist journeys and user-owned bicycles.

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