Tube 125/135 R12 TR13 for 12 inch tyres
6,90 €
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Tube 125/135 R12 TR13 for 12 inch tyres
Product.Nr.: 990017071
Manufacturer: Novio
This tube in size 125/135 R12 is a reliable solution for various industrial and garden applications. It is ideal as a replacement tube for corresponding tyres and ensures a secure and stable air seal. Thanks to its suitable design, the tube can be used not only for the specified main size, but also for additional tyre dimensions. The straight TR13 rubber valve allows easy installation and is designed for rims with a standard valve hole.
Technical data
- Tube size: 125/135 R12
- Inch size: 12 inch
- Also suitable for: 135/145/70 R12
- Valve type: TR13
Valve type TR13 – technical details:
- Valve design: Straight rubber valve for tube-type tyres
- Typical valve hole diameter: approx. 15.7 mm (0.625 inch)
- Valve stem diameter: approx. 11.5 mm
- Valve length above rim flange: approx. 32–38 mm (depending on version)
- Valve cap: Removable plastic or metal cap to protect the valve core
- Application: Suitable for rims with standard car valve hole, mainly in passenger-car-related, trailer, industrial and garden applications
Advantages and application range
This tube is a practical solution when tyres in sizes 125/135 R12 or 135/145/70 R12 are to be used with a tube, for example on trailers, smaller machines, equipment in gardening and landscaping or light industrial applications. Due to its compatibility with several tyre dimensions, flexibility in use is increased and stockkeeping can be simplified.
The TR13 valve allows convenient inflation and deflation with common filling devices. The robust design of the valve ensures a secure fit in the valve hole and minimises the risk of leaks. Overall, this tube offers a reliable, low-maintenance solution for users who depend on stable performance and easy handling.
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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