The Shimano RT-CL900 Center Lock Ice Tech (External Tooth Lock) brake rotor featured here at Escapa is one of the most advanced rotors on the market, designed for road, Gravel, and lightweight MTB where quiet, powerful braking and outstanding heat dissipation are essential.
TheShimano RT-CL900 Center Lock Ice Tech Brake Rotor (External Tooth Lock) is Shimano’s top-of-the-line rotor for road, Gravel, and XC bikes. Thanks to Ice Technologies FREEZA technology, it offers exceptional heat dissipation that reduces rotor warping, minimizes noise, and maintains consistent braking power even on long, demanding descents.
Its updated design features a sturdier, quieter arm, along with an aluminum inner core that improves cooling capacity. This version includes an external-tooth lockring, compatible with standard thru-axle systems.
Key Features
Diameter: 180 mm
Mounting: Center Lock with external lockring (External Serration)
Technology: Ice Technologies FREEZA
- Improved heat dissipation
- Quieter
- Prevents thermal warping
Sandwich construction: Stainless steel + aluminum + steel for superior cooling.
Compatible with resin and metal brake pads.
Designed for intensive use on road, Gravel, and XC.
