SHIMANO Deore RT64 Disc Brake Rotor - External Centerlock featured Durable rubber toe area provides

Durable rubber toe area provides superior traction on wet surfaces

CRANKSET: Forged alloy crank

which can occur to rotor and pad when braking on a long downhill ride for instance

Developed to ensure comfort

SHIMANO Deore RT64 Disc Brake Rotor - External Centerlock featured Durable rubber toe area providesThe Shimano GRX SM RT64 disc rotor delivers powerful and consistent braking performance in all riding conditions. The Center Lock mounting system makes installing and removing rotors quick and easy, thanks to the spine mount and lock ring design. Compatible with both resin or metal pads Includes external type rotor lockring Photo for color and material reference only