Solid: 71% polyamide nylon

Featuring a large platform for your palm

25 mm inner rim width

UVC and harmful blue light up to 400nm

Shimano RT-CL750 Disc Brake Rotor - 220mm - Centrelock - 2.2mm PLP|Riding Style Solid: 71% polyamide nylonFeatures More power: the 220mm spec provides the highest braking power in Shimano's rotor lineup, with improved bite and modulation More robust: a 2. 2mm thick stainless steel rotor adds strength, improves heat capacity, and better withstands impacts from trail debris More consistent: longer life than standard 1. 75mm thickness rotors Versatile: both 200mm and 220mm sizes are compatible with the newest generation of Shimano's 4 piston brakes