Mitas Heavy-Duty Butyl Inner Tube – 4.00-18, 18" TR-6 Center Metal Valve

Mitas Heavy-Duty Butyl Inner Tube – 4.00-18 | 18" | TR-6

Built for motorcycles, scooters, and mopeds that demand reliability, the Mitas heavy-duty butyl inner tube delivers 2 mm thick construction and premium valve hardware — so you're not roadside guessing why your tube failed. Whether you're replacing a worn tube or prepping a spare, this is the one to trust.

Key Specifications

• Size: 4.00-18 (fits 18" rim)
• Valve type: TR-6 center metal valve with galvanized stem
• Valve hardware: Includes two washers plus metal and rubber cap
• Thickness: 2 mm heavy-duty (HD) wall
• Material: High-quality butyl compound for superior air retention

Why Mitas?

• Extended shelf life — individually packed in nitrogen-rich atmosphere pouches
• Heavy-duty construction — resists punctures and pinch flats better than standard tubes
• Premium valve quality — galvanized stem resists corrosion for a lasting, airtight seal
• OEM-grade butyl compound — minimal air permeation, longer inflation intervals

Sold individually. Compatible with motorcycles, scooters, and mopeds running 4.00-18 tires. Verify rim diameter and tire size before ordering.