Shimano RT-CL800 – 160 mm Center Lock Disc Brake Rotor
The Shimano RT-CL800 160 mm disc brake rotor delivers consistent braking performance, effective heat management and reduced noise for demanding cycling conditions.
Featuring Shimano's ICE TECHNOLOGIES FREEZA design, this rotor uses a three-layer stainless steel and aluminum construction with integrated cooling fins to help dissipate heat during prolonged or repeated braking.
An updated rotor arm design improves rigidity and helps reduce heat-related deformation, contributing to quieter, more predictable braking on long descents.
Compatible with suitable Center Lock hubs and disc brake systems, the RT-CL800 is a versatile option for road, gravel and mountain bikes.
Key Features
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160 mm diameter: Designed for compatible disc brake systems.
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Center Lock mounting: Shimano's splined rotor mounting interface.
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ICE TECHNOLOGIES FREEZA: Integrated cooling fins help dissipate heat during braking.
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Three-layer construction: Stainless steel braking surfaces surrounding an aluminum core.
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Improved rotor stability: Reinforced arm design helps reduce vibration and braking noise.
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Metal and resin brake pad compatibility: Suitable for compatible narrow-type disc brake pads.
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Versatile applications: Designed for compatible road, gravel and mountain bike braking systems.
Technical Specifications
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Brand: Shimano
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Model: RT-CL800
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Product type: Disc brake rotor
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Diameter: 160 mm
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Mounting system: Center Lock
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Technology: ICE TECHNOLOGIES FREEZA
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Rotor construction: Stainless steel / aluminum / stainless steel
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Standard rotor thickness: 1.75 mm
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Compatible brake pad compounds: Metal and resin
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Compatible pad shape: Narrow type
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Average rotor weight: 114 g (excluding lockring)
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Application: Road, gravel and mountain biking
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Manufacturer reference for internal-spline lockring version: IRTCL800SI
ICE TECHNOLOGIES FREEZA Cooling
The RT-CL800 uses a stainless steel and aluminum sandwich construction with exposed aluminum cooling fins. This design helps reduce heat buildup during demanding braking conditions.
Improved thermal management contributes to consistent braking performance, especially during long descents.
Quieter and More Stable Braking
Shimano redesigned the rotor arms to improve rigidity and reduce deformation caused by heat.
This helps minimize vibration, unwanted brake noise and rotor rubbing under demanding conditions.
Compatibility
The RT-CL800 requires a Center Lock-compatible hub and a brake system approved for a 160 mm rotor.
It supports compatible metal and resin brake pads with a narrow braking surface. It is not intended for wide-type brake pad shapes.
Confirm frame or fork clearance, brake caliper compatibility and the required lockring type before installation.
Maintenance
Inspect the rotor regularly for wear, contamination and damage. Follow Shimano's minimum thickness specifications and installation torque requirements.
Note: This product is one 160 mm disc brake rotor. Lockring configuration should be verified against the exact product variant.
