GRX SM-RT64-M Disc Brake Rotor Size:One Size Cyclist of any ilk can

Cyclist of any ilk can appreciate a comfortable saddle as it's one of few actual contact points when riding a bicycle

bottom cup doubles as a measuring cup and a bowl

15-20 mmHg compression

Please note: the MagSlider Lid is not leakproof and will not prevent spills

GRX SM-RT64-M Disc Brake Rotor Size:One Size Cyclist of any ilk canThe 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 Rotor Type: Two Piece Hub Disc Compatibility: Center Lock Disc Rotor Size (mm): 180 Pad Compatibility: All Pad Compounds