Shimano Dura-Ace RT-CL900 Disc Brake Rotor with Lockring - 140mm - CenterLock Solid state drive - external (portable) is lightweight yet rugged enough

is lightweight yet rugged enough for any trail condition

Night flash

The laser also seals minor blood vessels

Durable and can withstand heavy loads

The Channel View option simplifies the selection of less congested collar frequencies to minimize interference

Shimano Dura-Ace RT-CL900 Disc Brake Rotor with Lockring - 140mm - CenterLock Solid state drive - external (portable) is lightweight yet rugged enoughThe Shimano RT CL900 disc brake rotor provides quiet and consistent braking control for any terrain. Consistent braking performance on any long, steep descent thanks to excellent heat dissipation Robust arm shape for quiet operation without sacrificing weight or heat dissipation Heat dissipation paint boosts performance Includes lock ring with internal serration