Shimano RT-MT800 Center Lock brake rotor Ultegra/GRX/XT internal lockring

The Shimano RT-MT800 brake rotor is a Center Lock rotor for riders fitting Ultegra, GRX, or XT components to their bike with disc brakes. It includes an internally serrated lockring for mounting on the hub.

• Fits Center Lock hubs with a 9/10 mm quick release or 12 mm thru axle
• Internal serration lockring included, so you don't have to buy one separately
• Two-piece rotor: aluminum core between two layers of stainless steel
• Works with organic or sintered pads
• Choose 140 or 160 mm. For a 15 or 20 mm axle, you need an SM-HB20 lockring

Technical specifications

• Diameter: 140 mm, 160 mm
• Lockring type: Internal serration
• Material: Stainless steel and aluminum (two-piece rotor, aluminum core between two layers of stainless steel)
• Mount: Center Lock
• Compatible pads: Organic or sintered
• Hub compatibility: Quick release (9/10 mm) and 12 mm thru axle; for 15 mm and 20 mm thru axles, you need an SM-HB20 lockring
• Package contents: 1 SHIMANO RT-MT800 rotor; 1 internally serrated lockring