Mavic Wheels Mavic Ksyrium Pro SL C 700x25c 2016 The Ksyrium Pro SL is the result of over 15 years wheel development Tyre: Yksion Pro GripLink (front) & PowerLink (rear) Front and Rear Tread: Single Compound Breaker: Front Kevlar, Rear nylon, Casing: 127 TPI