Shimano Dura-Ace RT-CL900 S Disc Brake Rotor with Lockring - 160mm, CenterLock, Silver F22new Evolve™ bio-based frame material is

Evolve™ bio-based frame material is lightweight and durable

it accepts Shimano's 24mm spindle crankarms directly and uses a threaded preload collar for precise adjustment

The older Mezzalama is generally the more practical choice for training and occasional racing

and Voile TTS

The Light Speed consists of 7075-T6 Aluminum rails for added strength and a 6061-T6 tempered baseplate built to handle countless days of abuse

Shimano Dura-Ace RT-CL900 S Disc Brake Rotor with Lockring - 160mm, CenterLock, Silver F22new Evolve™ bio-based frame material isThe Shimano Dura Ace RT CL900 S disc brake rotor delivers top tier stopping performance for road and gravel riders running CenterLock wheel hubs. At 160mm, it pairs well with lightweight road builds where controlled, consistent braking matters more than raw heat capacity. The silver finish is a Dura Ace tier detail that suits builds where component aesthetics are part of the spec. Lockring is included, and the rotor is compatible with CenterLock hubs