Inner Tube - Heavy Duty - 21" - TR-4 - Center/Side Metal Valve 90/90-21 / 80/100-21

Features

• European made, these are the sturdiest, highest-quality tubes on the market
• Heavy-duty tubes made specifically for off-road and motocross
• 3mm thick natural rubber construction helps resist pinch flats
• TR-4 valve stems
• 90/90-21 / 80/100-21