Sedona Performance Heavy Duty Tapered Tube - 350/400-18 TR-4 Valve Stem

Sedona Performance Heavy Duty tapered tube for 350/400-18 tires with TR-4 valve stem, engineered for V-twin motorcycles including Harley-Davidson and Indian models. Uses T3 Tapered Tube Technology with variable wall thickness (2.5mm to 1.75mm) to reduce unsprung weight while maintaining strength.

Features

• T3 Tapered Tube Technology — variable wall thickness reduces weight
• Heavy 2.5mm outer wall tapers to 1.75mm at the rim
• High-grade synthetic and natural rubber blend
• Reduced unsprung weight improves handling and cooling
• TR-4 valve stem fits 350/400-18 tire size

Specifications

• Brand: Sedona
• Manufacturer Part #: TR4 HD 87-0370
• UPC: 191361423741
• Tire Size: 350/400-18
• Valve Stem Type: TR-4
• Weight: 1.95 lbs
• Country of Origin: China (Mainland)

Fitment

Fits V-twin motorcycles including Harley-Davidson and Indian Motorcycle models that use 350/400-18 tire size with TR-4 valve stem.

Frequently Asked Questions

What tire size does this tube fit?

350/400-18. Verify your tire sidewall markings before ordering to ensure correct fitment.

What is T3 Tapered Tube Technology?

Variable wall thickness — 2.5mm on the outer wall tapering to 1.75mm at the rim — reduces weight while keeping strength where it matters most.

Will this work with my stock wheels?

Yes, if your wheels use 350/400-18 tires with a TR-4 valve stem. Check your existing tube or tire markings to confirm.

Does this tube reduce unsprung weight?

Yes. The tapered design and lighter construction decrease rotating mass, improving handling and suspension response.