Shimano Dura Ace RT-CL900 - 140mm | Center Lock Disc Brake Rotors For riders who treat a

For riders who treat a build as a long-term investment

making it the preferred choice for mountain bike applications where the hose is more exposed

while knobbier shoulder tread activates when you lean into loose corners and need the extra bite to hold your line

a real advantage on fast group rides or solo long efforts

Designed with clean aerodynamic lines that tuck neatly along the top tube

Shimano Dura Ace RT-CL900 - 140mm | Center Lock Disc Brake Rotors For riders who treat aWhy Run the Shimano Dura Ace RT CL900 140mm on Your Road Bike? The Shimano Dura Ace RT CL900 140mm carries the same three technology stack as the 160mm flagship: ICE TECHNOLOGIES FREEZA (three layer stainless aluminum stainless sandwich with extended radiator fin), the Dura Ace exclusive 3D Aluminum carrier engineered to resist heat deformation and prevent rotor runout noise, and heat dissipation paint for additional thermal performance. The 140mm