These black, bladed, straight pull steel spokes. Nipples are included with the spokes. These are used in the following wheels and possibly more:
2014+ Crossroc 26"
2015+ Crossroc XL WTS 26"
||Front & Non-drive side
If you are unsure which spokes you need to order or are unsure how to determine the model and/or year of your wheel, here's a short video about what I use to ID a Mavic wheel.