This is the Shimano XT RT86 Icetech Disc Brake Rotor for 6-bolt compatible wheels. The 3-layer structure with aluminum core and two stainless steel outer layers reduces rotor surface temperature by approximately 100 degrees Celsius compared to all-steel rotors.

Features:

• 6-bolt Ice-Tech Rotor
• Aluminum core construction
• Lowers operating temperature
• Resists power fade
• Increases pad life
• ICE TECHNOLOGY Rotor: Cooling technology for consistent performance.

Specifications:
Brake Type: Disc Brake
Mount: 6-Bolt (44mm BCD)
Pad Compatibility: All Compounds
Bolts Included: Yes
Color: Silver/Black
Weight: 149g (180mm)