MAGURA STORM SL 2 ROTORDesigned for the rider who values lightweight components, the Magura Storm SL 2 rotors are some of the lightest weight rotors on the market. At only 100 grams for the 160mm and 118 grams for the 180mm, this will perfectly pair with any cross-country style bike. Even though they're incredibly lightweight, they still provide exceptional brake power and performance. Features Lightweight at only 100 grams for the 160mm and 118 for the 180mm | Magura | Storm Sl 2 Rotor 180Mm