The Shimano RTCL900 DuraAce Center Lock Rotor in 160mm is designed for highperformance road cycling and delivers elitelevel braking control with minimal heat distortion Engineered for DuraAce groupsets this rotor is not only lightweight but also remarkably rigid using Shimanos ICE Technologies FREEZA construction for maximum heat dissipation The result is consistent braking under demanding descents making it perfect for racing and endurance road ridingThis rotor includes an external spline lockring and is compatible with Center Lock hubs Its steelaluminum layered construction helps manage temperature efficiently reducing brake fade while also lowering weight With its silent and smooth braking performance the RTCL900 is a goto option for cyclists wanting the best in disc brake performanceFeatures 160mm diameter Center Lock mounting with external lockring ICE Technologies FREEZA for improved heat dissipation Stainless steel braking surface with aluminum core Optimized for DuraAce level performance

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