StaiBC Heavy-Duty 2.75/3.00-16 Inner Tube, TR4 Straight Valve – 2-Pack for XR 75/80, CRF 80F Dirt Bikes

Overview

Meet the StaiBC Heavy-Duty inner tubes designed for tough off-road riding. These 2.75/3.00-16 tubes are built with quality materials and a dependable TR4 straight valve, offering a broad fit for many 16-inch dirt bikes. The result is a reliable replacement that can keep you riding when the trail gets demanding.

Universal fit and versatility

Engineered to work with a wide range of 16-inch tires, these tubes fit most 2.75/3.00-16 sizes and commonly paired tires like 80/100-16, 80/90-16, and 90/90-16. If you ride XR or CRF models (and other off-road bikes) with 16-inch wheels, you’re looking at a practical replacement option that can save you downtime during trips or weekend rides.

• Fits most 2.75/3.00-16 tires and compatible 16-inch dirt bike tires
• Commonly paired with models such as XR and CRF on dirt bikes

Durable construction for rugged use

Crafted from high-quality butyl rubber, these tubes resist ozone cracking and dry-rot, helping them last through dusty trails and wet rides. The thick walls deliver dependable air retention and contribute to a solid, secure feel when you ride over rocks or roots.

• Butyl rubber for longevity and airtight performance
• Resistance to ozone cracking and dry-rot for long life

Safety and performance on the trail

The tubes feature self-sealing properties that help form an airtight seal around small punctures and a TR4 straight valve stem—designed with threads along the length and locking nuts. This setup is especially helpful for low-psi tires that demand strong torque and secure mounting.

• TR4 straight valve stem with locking nuts and washers
• Self-sealing walls to minimize air loss after punctures
• Designed to withstand the demands of low-psi, high-torque setups

What you get

This listing includes a two-pack of high-quality 2.75/3.00-16 inner tubes, ready to pair with your favorite off-road tires.

• 2-pack inner tubes
• TR4 straight valve stems

Real-world use and benefits

Riders report faster tire changes and more confident handling on trails when they swap in sturdy, well-made tubes. While every ride is different, the combination of fit, materials, and a robust valve design offers a practical upgrade for weekend dirt-biking, pit-stop repairs, and long-range adventures.

Note: This copy highlights possibilities based on the product’s features and typical use cases. Results depend on your bike, riding conditions, and maintenance routine.