Shimano
Shimano Ultegra/Deore XT RT-CL800 Center Lock Disc Brake Rotor
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Shimano Ultegra/Deore XT RT-CL800 Center Lock Disc Brake Rotor
Consistent, Quiet Stopping Power Designed to Stay Cool
Elevate your braking performance with the Shimano RT-CL800 rotora premium Ultegra-level disc designed for supreme heat management and unwavering braking reliability on both road and gravel rides.
Key Features
Ice-Tech FREEZA Triple-Layer Construction
With a stainless steelaluminumstainless steel sandwich structure, including integrated aluminum cooling fins, this rotor dramatically reduces heat buildup. Expect surface temperatures to drop by approximately 50 0Cand when paired with Ice-Tech pads, temperatures can fall from around 400 0C to 300 0C, all while protecting against fade and extending pad life.Optimized 3D Aluminum Carrier Design
The precisely crafted aluminum spider provides superior rigidity and resists thermal deformationeven during extended descentswhile keeping overall weight minimal.Quiet, Precise, and Consistent Braking
Enhanced arm structure and refined braking surfaces contribute to quieter, smoother braking. The polished braking surface also improves mud clearance and heat dissipation under high load.Simple, Secure Center Lock Mounting
Shimanos Center Lock system makes installation and removal quick and foolproof, ensuring perfect fit and consistent alignment. Each rotor includes a matching aluminum lockring.Available in Multiple Sizes to Match Riding Style
Offered in 140 mm, 160 mm, 180 mm, and 203 mm sizes, with weights ranging from approximately 97 g (140 mm) to 169 g (203 mm)give or take depending on the size.
Technical Snapshot
| Specification | Details |
|---|---|
| Mount Type | Center Lock (lockring included) |
| Construction | Ice-Tech FREEZA sandwichSS/Al/SS with cooling fins |
| Sizes & Approx. Weights | 140 mm (~97 g), 160 mm (~114 g), 180 mm (~139 g), 203 mm (~169 g) |
| Thermal Performance | Drops braking surface temps ~50 0C; with Ice-Tech pads, from ~400 0C to ~300 0C |
| Materials | Stainless steel friction surface, 3D aluminum spider for rigidity |
| Compatibility | Ultegra, GRX, Deore XT, and many Shimano Center Lock brakes |
Why Its a Smart Pick for Cyclesy Riders
Fade-Resistant Performance: Keeps braking cool and consistentincluding during steep, long descents.
Durability Meets Responsiveness: The aluminum core maintains rotor shape and precision, even under thermal stress.
Peace & Power: Engineered for quieter operation, smoother modulation, and improved pad life.
Easy Install & Custom Fit: Center Lock mounting streamlines setup and ensures a secure, tidy fit.
Versatile Options: Multiple sizes let riders dial in performance for road, gravel, or mixed-terrain setups.
Upgrade your ride with the Shimano RT-CL800 Ice-Tech FREEZA Rotorfor braking thats as efficient and reliable as it is technically refined.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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