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Engineered for riders who demand reliable, consistent braking across all terrains, the Shimano SM-RT70 Center Lock Disc Brake Rotor is a premium upgrade designed to deliver precision stopping power, exceptional heat management, and quiet performance under pressure. Whether you're riding gravel, road, XC trails, or all-mountain terrain, this rotor guarantees peace of mind with every squeeze of the brake lever.


🔥 ICE TECHNOLOGIES: Advanced Heat Control for Peak Performance

At the heart of the SM-RT70 rotor is Shimano’s proprietary ICE TECHNOLOGIES—a multi-layer rotor construction that dramatically improves heat dissipation. Featuring a sandwich design of stainless steel outer layers bonded to an aluminum core, this innovation reduces surface temperatures by up to 100°C under aggressive braking. The result is:

  • Minimized brake fade during long descents

  • Enhanced pad life and rotor longevity

  • Stable, predictable braking feel across varying trail and weather conditions

ICE TECHNOLOGIES ensure your braking performance stays cool-headed, even when the terrain gets fiery.


🛠️ CENTER LOCK™: Fast, Secure, and Hassle-Free Installation

Designed with Shimano’s CENTER LOCK™ interface, the SM-RT70 features a spine-and-lockring system that allows quick rotor mounting with a single cassette lockring tool. Compared to the traditional 6-bolt system, CENTER LOCK provides:

  • Faster, tool-friendly setup and removal

  • Superior rotor centering for consistent brake alignment

  • Enhanced rigidity under high braking forces

  • External serration lockring included for broad compatibility

Perfect for mechanics and riders who value convenience and reliability in equal measure.


⚙️ Designed for Versatility and Performance

This rotor is part of Shimano’s SLX / 105 / GRX component groups, making it the perfect match for a wide range of bikes — from adventure gravel rigs to trail-ready mountain bikes, and even high-efficiency road setups.

Key Benefits:

  • Quiet, stable braking in dry or wet conditions

  • Compatible with both resin and metal pads

  • Lightweight construction without sacrificing strength

  • Slim, clean aesthetics that match modern bike builds


📐 Technical Specifications – At a Glance

  • Model: Shimano SM-RT70

  • Size: 160mm

  • Mounting System: CENTER LOCK™ (External Serration Lockring)

  • Material: ICE TECH Composite (Stainless Steel + Aluminum Core)

  • Pad Compatibility: Resin and Metal Pads

  • Recommended Use: MTB, Gravel, Road, Touring, Cyclocross

  • Weight: Approx. 133g (160mm)


🏁 Why Choose the Shimano SM-RT70 Rotor?

Ice-Tech Cooling for elite-level heat management
Center Lock Design for fast, accurate rotor mounting
Versatile Compatibility across Shimano’s mid to high-end groupsets
Smooth, quiet, fade-free braking under sustained pressure
Tested and trusted by cyclists around the globe

Whether you're pushing your limits on an alpine descent or navigating tight technical trails, the Shimano SM-RT70 Center Lock Rotor ensures your brakes are always up to the challenge — cool, calm, and unstoppable.