Snot Lil' Boogers Skateboard Wheels are 101a wheels featuring a treaded riding surface in a narrow profile. Sizes available (mm): 45, 48. Sold as a set of 4.
Treaded - Treaded wheels come with tiny grooves on the riding surface that wear away quickly.
Narrow - The least amount of traction intended for advanced, technical skateboarding.
101a - Most common durometer offering a good balance between speed and grip. Meant for skateparks and other smooth surfaces