Shimano Dura Ace RT-CL900 S - 160mm | Center Lock Gravel Bikes Built with precise construction and

Built with precise construction and improved durability

each delivering 70mg of caffeine per two-scoop serving

The double deadbolt locking mechanism engages on both sides of the shackle for added rigidity

remote gravel

no-fuss grip that performs in all conditions and works equally well with or without gloves on any style of mountain riding

Shimano Dura Ace RT-CL900 S - 160mm | Center Lock Gravel Bikes Built with precise construction andWhat Makes the Shimano Dura Ace RT CL900 160mm the Top Road Rotor? The Shimano Dura Ace RT CL900 160mm is the flagship road disc brake rotor, combining three distinct thermal technologies into one package: ICE TECHNOLOGIES FREEZA (the three layer stainless aluminum stainless sandwich with extended radiator fin), a Dura Ace exclusive 3D Aluminum carrier optimized in every dimension for heat distortion resistance, and a heat dissipation paint coating