MMG Inner Tube 130/90-16 TR4 Straight Valve — Butyl Rubber, Heavy-Duty

MMG's 130/90-16 inner tube is a heavy-duty butyl rubber tube with a TR4 straight valve stem engineered to fit a range of 16-inch motorcycle tires and deliver long-lasting air retention and shock absorption.

Whether you're swapping a worn tube after a trail day or keeping spares for road trips, this MMG inner tube is built to be a dependable, budget-friendly replacement. Its butyl composition balances elasticity and durability so it resists punctures and holds pressure longer than many standard materials. The straight TR4 valve stem suits rims that accept straight valve cores and makes inflation and pressure checks straightforward with common pumps and gauges.

Will this inner tube fit my tire and rim?

The MMG 130/90-16 inner tube is designed for several common 16-inch tire sizes and fits most compatible rims. Check your tire sidewall or owner’s manual to confirm size range compatibility before installation.

• Compatible tire sizes: 5.00/5.10-16, 130/90-16, 140/80-16, 140/90-16, 150/80-16
• Designed for tube-type motorcycle tires on 16-inch rims
• TR4 straight valve fits rims drilled for straight valve stems

How durable and reliable is the material?

This inner tube uses a butyl rubber blend formulated to combine flexibility with resistance to slow leaks and rapid deflation. The compound improves shock absorption for rough terrain while maintaining the tube’s shape under pressure.

• Butyl rubber blend for enhanced air retention
• Reinforced construction to withstand typical off-road stresses
• Manufactured to meet routine quality and durability expectations

Is the TR4 straight valve stem appropriate for my setup?

The supplied TR4 straight valve stem is a standard straight valve suitable for many dirt bike and dual-sport rims. It makes pumping and pressure checking easier, but confirm your wheel’s valve orientation and clearance before ordering.

• Straight TR4 valve configured for standard inflation equipment
• Easy access for gauges and air compressors
• Secure valve seat to minimize air loss at the stem interface

How does this tube balance cost and performance?

MMG positions this inner tube as an economical option that still meets practical performance needs for everyday riders and trail users. It aims to provide reliable service without the premium pricing of specialty tubes.

• Affordable price point for routine replacements or spares
• Solid build quality focused on functional longevity
• Good value for riders who want dependable performance without extras

Who is this for? Riders who need a straightforward, cost-effective inner tube replacement for 16-inch motorcycle tires—especially dirt bike and dual-sport owners—will find the MMG 130/90-16 tube a practical choice. It’s suitable for DIY mechanics, track-day riders keeping spare tubes on hand, and commuters wanting a dependable backup. Before purchase, verify tire size and rim valve type to ensure a proper fit and trouble-free installation.