Type: Tube, Nylon, 4 Ply

Came with inner tube 

80/100-21 21" 

CONDITION: Brand New

Tread spacing reduces mud build up for better all around performance, including braking and cornering
Large center knob design is excellent for offers stability where others fail
Directional tread design for better hookup exiting soft corners
Mid shoulder knobs cut for better cornering confidence
Tough 4-ply construction provides puncture resistance and durability