You can find all the replacement parts and accessories you need for your bike at Escapa.
The KCNC KQR06 SP-Lite MTB M15x1.5xL148mm Rock Shox Front Axle is made of AL7075 aluminum with a quick-release mechanism.
Dimensions, Threads, and Lengths: Rock Shox Maxle 15x100: M15*1.5 x 148mm