Parts Unlimited Heavy Duty Inner Tubes

When you are looking for a solid value without cutting too many corners. Manufactured to the highest standards set by the OEM's. Made from natural rubber for high strength and long life. 

Features:

• 2.8-3mm thick rubber provides extra protection against punctures and pinching
• Made of natural rubber which offers a very high tear strength
• Best suited for OFFROAD USE
• TR-4 valve stem

Sizing:

• 21 Inch - 80/100-21, 90/90-21, 90/100-21, 100/80-21, 2.75-21, 3.00-21 
• 19 Inch - 110/90-19, 120/80-19, 120/90-19 - Most 250cc and 450cc MX Bikes
• 19 Inch - 100/90-19, 110/80-19 - Most 125cc - 250cc MX Bikes
• 19 Inch - 70/100-19, 90/100-19, 100/90-19 - Front Wheels
• 18 Inch - 110/100-18, 4.00-18, 5.10-18 - 250cc - 650cc Offroad Bikes
• 18 Inch - 100/100-18, 3.25-18, 4.10-18 - 125cc - 250cc Offroad Bikes
• 17 Inch - 110/100-17, 4.00-17, 5.10-17 - SM Bikes and ADV Front Wheels