Mavic Aksium 2019 / Aksium Elite UST sold as a pack of three.
Spoke Number V3661501 (also known as LV3661500) are straight pull, steel, flat, black and 301mm
They are supplied with nipples
They fit the following wheels ;
2019 Aksium 2019 : Rear Drive Side (Rear DS)
2019 Aksium Elite UST : Rear DS
2019 Aksium Elite UST OE : Rear DS
Not sure if this is the correct spoke ? go to tech.mavic.com and search for your wheel using the serial number