Shimano 105 GRX SLX SM-RT70 Center Lock Brake Rotor

The Shimano SM-RT70 brake rotor uses a Center Lock mount and is designed for riders using SLX, 105 or GRX groupsets. Choose from three diameters, from 140 to 180 mm.

• Center Lock mount: secures to the hub with a lockring
• Three layers of stainless steel and aluminium, with Ice Tech technology
• Lightweight: from 121 g (140 mm) to 159 g (180 mm)
• For SLX, 105 and GRX groupsets, with metal or resin pads
• Choose a diameter of 140, 160 or 180 mm to suit your bike

Technical specifications

• Model: SM-RT70
• Mount: Center Lock
• Diameters: 140 mm, 160 mm, 180 mm
• Weight: 140 mm: 121 g; 160 mm: 133 g; 180 mm: 159 g
• Material: Three layers: stainless steel, aluminium, stainless steel
• Compatible groupsets: SLX, 105, GRX
• Compatible pads: Metal, resin
• Technology: Ice Tech

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.