Super Soft compound is a unique blend which fuses additional suppleness with an extra tacky compound. This combination ensures that hand pain doesn’t start to creep in even at the bottom of the most pounding world cup track or chasing your mates down flowing singletrack Ultrathin tapered core allows more rubber to be added for unrivaled vibration reduction Clamped securely by a single 7075 aluminum collar and stainless steel bolt 90g