SHIMANO Deore RT64 Disc Brake Rotor - External Centerlock Size:- 180mm The new rim shape adds

The new rim shape adds strength and virtually eliminates the chance of a pinch flat

This replacement left crank arm is made of forged aluminum and features standard offset

We use 100g Primaloft Gold insulation w/Crosscore technology

No other injection nylon sole offers the same level of stiffness or comfort

SHIMANO Deore RT64 Disc Brake Rotor - External Centerlock Size:- 180mm The new rim shape addsThe 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