Shimano Disc Brake Rotor RT-CL900 180mm Centerloc w/ Lockring Pedals Aluminum construction keeps it both

Aluminum construction keeps it both lightweight and robust

vertical ratio and more (When used with Running Dynamics Pod or HRM-Run™or HRM-Tri™monitors (sold separately))

W/ELECTRIC WIRE (FITTED TYPE

Back reflective strip

This provides excellent freedom of movement and comfort for even the most aggressive trails

Shimano Disc Brake Rotor RT-CL900 180mm Centerloc w/ Lockring Pedals Aluminum construction keeps it bothQuieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation The new arm shape is more robust, leading to quieter operation Heat dissipation paint boosts performance Disc brake rotor size: 140 mm, 160 mm, 180 mm, 203 mm