Shimano Dura-Ace SM-RT900 Centrelock Disc Brake Rotor 140mm

With an increased adaptor size, heat transfer through the Shimano SM-RT900 rotor is decreased and more heat can dissipate through the air. This results in a 30°c reduction in rotor temperature over Shimano’s ICE TECHNOLOGIES FREEZA rotors.Features - Shimano SM-RT900 Center-Lock Disc Rotor

• Additional 50°C decrease in operating temperatures over previous Ice Technology rotor
• Braking and performance benefits include 20% less brake fade, 20% increase in stopping power and 20% longer pad life
• 3-layer clad rotor: Stainless steel/Aluminum/Stainless steel
• Technology: Ice-Tech FREEZA

Product features

• Use: Road
• Group:  Dura Ace
• Model: SM-RT900
• Disc: Center Lock
• Pad compatibility: Metal / Resin
• Brake compatibility: Dura Ace BR-R9170

Diameter (choose variant)

• 140mm (SM-RT900-SS)
• 160mm (SM-RT900-S)

Material

• Rotor: Stainless steel / Aluminum / Stainless steel
• Lockring: Aluminum painted

Color

• serial color

Weight (manufacturer information)

• 96g (140mm)