This is a HPI 115315 Jump T2.8M Tire (2pcs) 

All-terrain tires designed for driving confidently through mud, gravel, grass and more, the Jump T2.8M tires are a great addition to any off-road truck! These are the standard tires on the awesome Jumpshot MT monster truck and are a great way to add style and performance!

The Jump 2.8M tires will fit any of the great-looking HPI 2.8 style wheels:

 

THIS PART FITS THE FOLLOWING KITS / PARTS:
Jumpshot MT V2 - Red/Blue
Jumpshot MT Flux - Yellow
Jumpshot MT V2 - Blue/Silver
Jumpshot ST V2 - Yellow
Jumpshot ST Flux - Blue
Jumpshot ST V2 - Red