--- product_id: 445833541 title: "Heavy Duty 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 2 Packs" brand: "staibc" price: "€ 50.65" currency: EUR in_stock: true reviews_count: 13 category: "Stai Bc" url: https://www.desertcart.gr/products/445833541-heavy-duty-3-50-3-00-8-inner-tube-tr87 store_origin: GR region: Greece --- # Universal 3.00-8 / 3.50-8 fit TR87 90° bent metal valve stem Thick butyl, self-sealing & explosion-proof Heavy Duty 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 2 Packs **Brand:** staibc **Price:** € 50.65 **Availability:** ✅ In Stock ## Summary > 🛞 Upgrade your ride with unstoppable durability and flawless fit! ## Quick Answers - **What is this?** Heavy Duty 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 2 Packs by staibc - **How much does it cost?** € 50.65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/445833541-heavy-duty-3-50-3-00-8-inner-tube-tr87) ## Best For - staibc enthusiasts ## Why This Product - Trusted staibc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fits Like a Glove:** Precision engineered for 3.00-8 and 3.50-8 tire sizes, ensuring seamless compatibility with your 8-inch rims. - • **Bent Valve, No Hassle:** TR87 bent metal valve stem angled at 90° for effortless inflation in tight spaces—because convenience matters. - • **Versatility Meets Reliability:** Perfect for hand trucks, wheelbarrows, lawn mowers, garden carts, and more—your all-season, all-task tire tube solution. - • **Built to Last, Built to Protect:** Heavy-duty butyl rubber construction with self-sealing walls that instantly block punctures and prevent dangerous blowouts. - • **Double the Value, Double the Confidence:** Two premium inner tubes per pack, ready to keep your equipment rolling smoothly without unexpected downtime. ## Overview The StaiBC Heavy Duty 3.50/3.00-8 Inner Tube features a universal fit for 8-inch rims, a TR87 bent metal valve stem for easy inflation, and thick butyl rubber with self-sealing properties to prevent punctures and blowouts. Sold in convenient 2-packs, these tubes are engineered for durability and versatility across a wide range of outdoor equipment. ## Description Buy StaiBC Heavy Duty 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 2 Packs: Inner Tubes - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Durable Replacement Tubes That Fit and Hold Air Well - I used the StaiBC heavy duty 3.50/3.00-8 inner tubes with TR87 bent metal valve stems to replace the worn-out tubes on my dual-wheel wheelbarrow, and they’ve been working great so far. Installation was straightforward, and the tubes fit the tires properly without any stretching or fitting issues. Once installed, they held air well and have stayed inflated with no problems. The material seems to be nice and thick and they appear to be good quality. They feel sturdy and well made, and the bent metal valve stem is a nice touch for easier access during inflation. Overall, these have been a reliable replacement and are holding up just fine for regular yard and farm use. Review: Exactly as described - Well made inner tube, good value. Valve stem is a little shorter than what we needed, but arrived quickly, fits perfectly, doesn’t leak. Would buy again. ## Features - UNIVERSAL FIT 3.00-8 INNER TUBES: Tube is designed for tire sizes 3.00-8 or 3.50-8. 3.00 and 3.50 represents the width of the tire and 8 represents the wheel size the tire is on. The tires these tubes go in will generally be around 14 inches in overall height. - WIDELY APPLICABLE: Usable with hand trucks, dollies, wheelbarrows, lawn mowers / tractors, garden / utility / flat carts, yard trailers, trolleys, wagons, generators, snow blowers, pressure washers, air compressors, wood chippers and more - TR87 BENT VALVE STEM: This rubber-based metal valve stem is bent at a 90°angle and points to the side to provide maximum clearance. It fits rim holes that are 0.443 inch (approximated 0.5 inch) to 0.631 inch. - SAFE & EXPLOSION-PROOF: Our inner tubes are made of high-quality butyl materials. The thick butyl walls of these inner tubes have self-sealing properties that create instantaneous airtight seals around puncture holes, preventing explosive punctures that can cause damage to your bike or injury to the rider. - WHAT YOU GET: 2 packs High-quality 3.00-8 inch inner tube ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09G6WSRKK | | Best Sellers Rank | #23,606 in Automotive ( See Top 100 in Automotive ) #46 in Powersports Inner Tubes | | Brand | StaiBC | | Brand Name | StaiBC | | Construction Type | Rubber Inner Tube | | Customer Reviews | 4.5 out of 5 stars 308 Reviews | | Manufacturer | StaiBC | | Number of Packs | 2 | | Rim Size | 8 inches | | Rim Width | 8 inches | | Seasons | Year Round | | Size | 350/100-8 | | Tire Aspect Ratio | 50 | | Tire Diameter | 10 inches | | Tread Depth | 3 inches | | Tread Type | Non-Directional | | Unit Count | 2 Count | ## Product Details - **Brand:** StaiBC - **Construction Type:** Rubber Inner Tube - **Rim Size:** 8 Inches - **Rim Width:** 8 Inches - **Size:** 350/100-8 - **Tire Aspect Ratio:** 50 - **Tire Diameter:** 10 Inches - **Tread Depth:** 3 Inches - **Tread Type:** Non-Directional - **Unit Count:** 2.0 Count ## Images ![Heavy Duty 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 2 Packs - Image 1](https://m.media-amazon.com/images/I/61fSXc0P3OL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Durable Replacement Tubes That Fit and Hold Air Well *by J***N on May 11, 2026* I used the StaiBC heavy duty 3.50/3.00-8 inner tubes with TR87 bent metal valve stems to replace the worn-out tubes on my dual-wheel wheelbarrow, and they’ve been working great so far. Installation was straightforward, and the tubes fit the tires properly without any stretching or fitting issues. Once installed, they held air well and have stayed inflated with no problems. The material seems to be nice and thick and they appear to be good quality. They feel sturdy and well made, and the bent metal valve stem is a nice touch for easier access during inflation. Overall, these have been a reliable replacement and are holding up just fine for regular yard and farm use. ### ⭐⭐⭐⭐⭐ Exactly as described *by A***R on May 23, 2026* Well made inner tube, good value. Valve stem is a little shorter than what we needed, but arrived quickly, fits perfectly, doesn’t leak. Would buy again. ### ⭐⭐⭐⭐⭐ As described! These work fine! *by D***I on December 6, 2025* These worked fine for the wheelbarrow. Not flimsy or thin. ## Frequently Bought Together - StaiBC Heavy Duty 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 2 Packs - MICHELIN S83 Scooter Bias Tire- 3.50-8 (46J) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/445833541-heavy-duty-3-50-3-00-8-inner-tube-tr87](https://www.desertcart.gr/products/445833541-heavy-duty-3-50-3-00-8-inner-tube-tr87) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-15*