Heavy Duty Tube Parts Unlimited 3.25/4.1 100/100-18

• Manufactured to the highest quality as approved by all the Japanese motorcycle manufacturers
• Available in standard and heavy-duty versions
• Each tube is individually boxed with a full range of sizes and valve stem types clearly marked on each box end

STANDARD TUBES

• 100% butyl tube minimizes natural air leakage while maintaining air pressure for a longer period of time
• Wide range of sizes available for rim diameters from 8" through 23"
• "Real butyl tubes" made from 100% butyl polymer, unlike other "butyl" tubes, which are blended with butyl polymer and natural rubber

HEAVY-DUTY TUBES

• Made of natural rubber which offers a very high tear strength
• Best suited for offroad use
• Wide range of sizes available for rim diameters from 10" through 21"
• 2.8-3mm thick rubber provides extra protection against punctures and pinching
• TR-4 valve stem