Shimano RT-CL800 Centrelock Disc Brake Rotor 203mm Internal Serration

Shimano RT-CL800 Centrelock Disc Brake Rotor – 203mm Internal Serration

Confidence on every descent starts with control you can count on.

Built for road, gravel and even MTB applications, the Shimano RT-CL800 rotor delivers consistent braking performance with a lightweight, low-noise design. It’s a top-tier choice for cyclists chasing reliability on fast descents, technical trails, or long-distance endurance rides.

With Shimano’s Ice Technologies FREEZA design and a multi-layer construction that disperses heat efficiently, this rotor stays cooler under pressure—ideal for challenging Australian terrain and conditions. It’s compatible with a wide range of Shimano calipers and brake pads, offering versatile performance across disciplines.

Crafted with Shimano’s hallmark quality and backed by advanced heat management technology.

Key Features:

• Ice Technologies FREEZA cooling fins for superior heat dissipation
• Lightweight sandwich construction: stainless steel outer layers and aluminium core
• Reduced rotor noise and minimal weight for a smoother, quieter ride
• Optimised for both road cycling and gravel adventures
• Compatible with a wide range of Shimano hydraulic calipers and brake pad types
• Internal serration lockring for quick-release and 12 mm thru-axle systems

Technical Specifications

• Mount: Centre Lock
• Diameter: 203 mm
• Rotor Construction: 2-piece
• Rotor Material: Stainless steel outer layers, aluminium core
• Spider Material: Aluminium (painted finish)
• Weight: 169 g (160 mm)
• Lockring: Anodised aluminium, internal toothing
• Pad Compatibility: Organic and sintered (organic only for BR-S700 and BR-S7000)
• Axle Compatibility:
  • 9/10 mm QR and 12 mm thru-axle (included lockring)
  • For 15 mm/20 mm thru-axles, use SM-HB20 lockring (sold separately)
• Brake Caliper Compatibility: Wide compatibility including Ultegra, GRX, and MTB series (see full list in product details)

Brake Caliper Compatibility: BR-M9100, BR-M9120, BR-M9110-R, BR-M9000, BR-M9020, BR-M8100, BR-M8120, BR-M8110-R, BR-M8000, BR-M8020, BR-M7100, BR-M7120, BR-M7110-R, BR-M7000, BR-M6100, BR-M6120, BR-M6000, BR-MT520, BR-MT420, BR-M820, BR-M640, BR-U8000, BR-U8020, BR-S7000, BR-S700, BR-R9270, BR-R9170, BR-R8170, BR-R8070, BR-R7170, BR-R7070, BR-4770, BR-RS805, BR-R785, BR-RS785, BR-RS505, BR-RS405, BR-RX820, BR-RX820-LE, BR-RX810, BR-RX400

Brake Pad Compatibility: sintered*, organic * with BR-S700 and BR-S7000 only organic