Very good 10" solid tire for Ninebot D- and F-series (D18e, D28e, D38e, F25e, F30e, F40e). Features excellent grip pattern and high-quality soft rubber. 
 
Solid tires are heavier and more bumpy on the ride than the air tires, but more durable, don't get flat and do not require pumping.
 
Size: 10x2.125"
Brand: Ulip