Feel confident on the trails with the Charge Knobby Mountain 27.5’’ x 2.10’’ Bike Tire. FEATURES: Low profile knobby tread pattern offers grip and is great for all types of trails Lightweight folding bead with flexible sidewalls make for easy transport and assembly Tire tread depth: 3.0mm PSI rating: 35-65 Size: 27.5” x 2.10” Weight: 1012g