SHIMANO ULTEGRA R8000 SM-RT800 DEORE XT RT-MT800 XTR RT-MT900 203/180/160/140 mm CENTER LOCK-Disc Brake Rotor Original Parts
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Specifications
- Brand Name
- SHIMANO
- High-concerned chemical
- None
- Origin
- Jp(origin)
- Braking System
- Hydraulic Disc Brake (Hydraulic Brake Pad)
- Model Number
- SM-RT800/RT-MT800/RT-MT900
- Size
- 140mm/160mm/180mm/203mm
- Components
- Pads
- Series1
- SHIMANO ULTEGRA R8000 Series
- Series2
- SHIMANO DEORE XT Series
- Series3
- SHIMANO XTR Series
Product Description
SHIMANO ULTEGRA - CENTER LOCK - Disc Brake Rotor - ICE TECHNOLOGIES FREEZA - 160/140 mm
SM-RT800
For superb stopping power in all conditions, SHIMANO ULTEGRA SM-RT800 disc brake rotors deliver consistent braking performance thanks to the ICE TECHNOLOGIES FREEZA construction. With better heat management, the SM-RT800 rotors withstand brake fade on long downhill stretches and provide substantially quieter braking. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy with the spine mount and lock ring design.
--Better heat dispersion than current road-disc systems
New construction provides better heat management than current ICE TECHNOLOGIES FREEZA
Pros & Cons
Pros
- ICE TECHNOLOGIES FREEZA excels in heat dissipation
- Multiple sizes for road/MTB versatility
- Consistent braking in all conditions
- Genuine SHIMANO quality from Japan
Cons
- Center lock only, not for 6-bolt hubs
- Higher cost for premium series
- Pads sold separately
- Heavy for ultralight builds at larger sizes
Common Questions
What sizes are available for these SHIMANO disc brake rotors?
140mm, 160mm, 180mm, 203mm; center lock design.
Are these rotors compatible with SHIMANO series?
Yes, for ULTEGRA R8000 SM-RT800, DEORE XT RT-MT800, XTR RT-MT900.
What braking system and features do they have?
Hydraulic disc brake with ICE TECHNOLOGIES FREEZA for heat management.
How do you use/install these original SHIMANO rotors?
Center lock mounting on compatible hubs; provides consistent stopping power.
What is the origin and authenticity of these parts?
Origin Japan; original SHIMANO parts for professional performance.
Product information last updated on February 9, 2026