Shimano Ultegra / XT Disc Rotor 203mm Centre Lock – External Lockring
High-performance braking with improved heat management for demanding rides.
What Is It?
The Shimano 203mm Centre Lock disc rotor is designed for compatible hydraulic disc brake systems used in road, gravel and mountain biking. Shimano offers rotors in its Ultegra and Deore XT ranges with advanced heat-management technology, including ICE TECHNOLOGIES FREEZA on selected models.
The 203mm diameter provides increased braking leverage, making it suitable for heavier bikes, technical trails and demanding descents.
Key Features
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203mm rotor diameter: Provides strong braking leverage and stopping power.
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Centre Lock mounting: Uses a splined hub interface for secure installation.
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External lockring: Allows installation and removal with a compatible external-spline tool.
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Heat-management technology: Selected Ultegra and XT models feature ICE TECHNOLOGIES FREEZA to help dissipate heat.
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Durable braking surface: Stainless-steel construction on compatible Shimano rotor models.
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Resin and metallic pad compatibility: Supported by selected models, depending on the specific rotor.
Specifications
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Specification
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Details
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Brand
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Shimano
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Product type
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Disc brake rotor
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Range
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Ultegra / Deore XT
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Diameter
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203mm
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Mounting system
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Centre Lock
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Lockring type
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External serration
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Rotor material
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Depends on model; selected models use a stainless-steel and aluminium sandwich construction
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Cooling technology
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ICE TECHNOLOGIES FREEZA on selected models
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Brake pad compatibility
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Depends on the exact rotor model
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Package contents
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Rotor; lockring inclusion depends on the supplied variant
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Benefits
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Provides greater braking leverage than smaller rotors.
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Helps maintain braking consistency on long descents.
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Selected heat-dissipating designs help manage high operating temperatures.
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Centre Lock mounting simplifies rotor installation and servicing.
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Suitable for demanding riding when matched to the correct brake system.
Best Suited For
Mountain bikers, trail and enduro riders, and cyclists looking for a large-diameter rotor with dependable braking performance.
