New trail wheel set from Mavic with wider rim as biggest news. 23mm inner width instead of earlier 19 or compared to ST that are 21mm. They also got a bit lower bead hooks so think they work better with stans or other sealant.
1710g for a set 27,5″
Delivered as a WTS wheel tyre system so including a set of Mavic Quest tires. 2,4″ except 29er version that are 2,35″
More info here Bikerumor