Shimano XTR RT-MT900-M Disc Brake Rotor - 180mm Center Lock Silver/Black Model=Crank Boots - For Next SL G4 With this expanding design users

With this expanding design users could turn a trip around town into a shopping spree

Loose ball hub bearing retainers

2 are not intended for use with brake systems that utilize ceramic pistons such as Shimano road disc brake calipers

3D design and easy wear zip up compression sock design for maximum evaporation

Shimano XTR RT-MT900-M Disc Brake Rotor - 180mm Center Lock Silver/Black Model=Crank Boots - For Next SL G4 With this expanding design usersShimano XTR RT MT900 M Disc Brake Rotor 180mm Center Lock Silver Black. The Shimano XTR RT MT900 disc brake rotor offers stable and versatile brake performance in the most demanding MTB conditions. Center lock design Incorporates Ice Technologies FREEZA construction for superior heat dissipation Alloy lockring included Compatible with both metal and resin brake pads Anodized aluminum TECH SPECS Rotor Size (mm) 180 Pad Compatibility All Pad Compounds