Tube 27x8.50/10.50-12 TR15
13,90 €
Tube 27x8.50/10.50-12 TR15
13,90 €
Shipping price from: 6,90 €
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Product Prodotto in magazzino
Tube 27x8.50/10.50-12 TR15
Product.Nr.: 990017272
Manufacturer: Novio
This robust inner tube in size 27x8.50/10.50-12 is designed for use in various industrial and garden applications. It is ideal for machines and equipment that rely on reliable air tightness and a durable valve system. Thanks to its matched dimensions, the tube can be used in several tire sizes, providing a flexible solution for different vehicles and trailers.
Technical data
- Tube size: 27x8.50/10.50-12
- Rim size: 12 inch
- Also suitable for: 27x9.50-12 / 27x10.00-12
- Valve type: TR15
Valve type TR15 – technical details:
- Valve design: Straight rubber valve with metal core, for tube-type tires
- Valve application range: Mainly for agricultural, industrial and horticultural applications on 12-inch rims and similar dimensions
- Valve hole diameter: approx. 15.7 mm (standard bore for TR15 valves)
- Valve length above rim: approx. 38–45 mm, for good accessibility when inflating and checking air pressure
- Seal: Integrated rubber seal at the rim passage for high air tightness
- Valve cap: Standard screw cap to protect the valve insert from dirt and moisture
Benefits and application range
This tube is designed for a range of tire sizes (27x8.50-12, 27x10.50-12, 27x9.50-12 and 27x10.00-12), allowing versatile use on various machines, trailers and equipment in gardening, municipal services and light industrial applications. The TR15 valve type ensures reliable sealing and allows convenient inflation and deflation, even with frequent pressure changes.
Thanks to its coordinated construction, the tube is particularly suitable for applications where stable air pressure and high load capacity are required, such as lawn tractors, compact tractors, utility trailers or work equipment used off-road. In this way, it contributes to safe handling, good ground adaptation and a long service life of the tires.
Frequently asked questions about this product
The valve designation describes two things: the stem diameter — which must fit the hole in the rim — and the shape, i.e. straight or angled.
Only the bore matters for a proper fit: a valve fits perfectly only if its stem matches the bore in the rim. Whether it is straight or angled makes no difference — that is a question of accessibility.
An overview of the types:
| Type | Shape | Bore | typically used for |
|---|---|---|---|
| TR13 | straight, rubber | 11.5 mm | Car and trailer wheels |
| TR4 / TR6 | straight, short | 11.5 mm | Small wheels, garden tools |
| TR15 | straight, rubber | 16 mm | Agricultural machinery, tractor rims |
| TR87 | 90° angled | 11.5 mm | Small wheels, solid rims |
| JS8 (DIN 7777) | 90° angled, same as TR87 | 11.5 mm | small wheels, solid rims |
| JS2 | Approx. 70° angled | 11.5 mm | Industrial and small wheels |
| V3-02-7 (TR75) | 100° single-bend metal angle valve with screw-on base | 12.2 mm | Commercial vehicles, lorries, trailers, agricultural and industrial machinery such as forklift trucks |
| V3-06-3 | Triple-bend brass truck screw-on valve (90°/139°/139°) | 9.7 mm | 20-inch truck and trailer tubes (6.00-20 to 9.00-20), also 22.5-inch tube-type tyres |
| TR218A | Straight metal air-water valve, two-piece | 15.9–16 mm | High-volume tubular tyres for agricultural and industrial use, tractors |
V3-02-7 in detail: Also known as ETRTO V3.02.7 and US designation TR75. Dimensions: Horizontal leg length 22.5 mm, vertical leg length 71.5 mm, total height approx. 91 mm. The valve base is screwed on, not pressed in — this makes it significantly more robust than a rubber valve.
V3-06-3 in detail: Also known as ETRTO V3.06.3. Triple-bend brass screw-on truck valve: the first bend is 90°, the other two 139° each — this guides the filling end past the rim flange and keeps it accessible even with twin tyres and deep rim wells. Leg dimensions approx. 20.5 / 46 / 20.5 / 47.5 mm (approx. 135 mm developed length), rim hole 9.7 mm. The valve is fastened to the tube with a sealing washer and nut instead of being vulcanised in. In our range on the 20-inch tubes 6.00/6.50-20, 7.00/7.50-20, 8.25-20 and 9.00-20.
TR218A in detail — the valve for water ballast: What makes this type special is the option for liquid ballasting: the hose is partially filled with water to increase the vehicle’s weight and thus improve traction — a common practice with tractors.
- Design: straight, robust metal valve, usually in two parts. Unscrewing the inner CH3 valve insert creates an extra-large opening — allowing for quick filling with air or liquid.
- Rim bore: 15.9 to 16 mm (0.625 inches).
- Length: typically around 38 to 48 mm total height above the rim.
- Mounting: a rubber base approximately 80 mm in diameter for vulcanising onto the inner tube, plus a lock nut for secure attachment to the rim.
Reducing sleeves: A TR15 valve does not fit into an 11.5 mm bore. Conversely, there are sleeves that allow a TR13 valve to fit into a 16 mm bore.
Whether straight or angled is not a question of fit, but of accessibility: with closed rims or small wheels, it is often impossible to reach the valve with a pump using a straight valve — in which case an angled one is used.
Not sure which valve is fitted? A photo of the old valve is all we need to identify it. Choose from: inner tubes, bead tapes and valves.
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