Beaded bands – Protective Rim and Tube Edging Solutions
Beaded bands are essential components for safeguarding tubes and rims against damage. These ribbed strips, reinforced edging bands, and grooved bands create a barrier that shields inner tubes from sharp edges, spoke holes, and irregularities in the rim. Contoured edging ensures a precise fit for various tyre and rim sizes.
- ✔ Reliable protection from rim and spoke damage
- ✔ Easy installation between tube and rim
- ✔ Durable materials for long-lasting performance
- ✔ Suitable for a wide range of tyre and rim combinations
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Frequently Asked Questions
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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Product Overview
Beaded bands, also known as ribbed strips or reinforced edging bands, are designed to provide a secure and protective layer between the tube and rim of various wheel assemblies. These grooved bands and bordered strips are engineered to prevent direct contact between the tube and any sharp or irregular features of the rim, such as spoke heads, valve holes, or edges. By using contoured edging, these products ensure an optimal fit and consistent protection for a variety of tyre and rim sizes.
Key Features & Benefits
These protective bands are crafted from robust materials that withstand the stresses of daily use. The ribbed and grooved design enhances their ability to shield the tube from punctures and abrasions. Reinforced edging bands provide stability and help maintain even pressure distribution, reducing the risk of premature tube failure. Their easy-to-install construction allows for quick replacement or fitting during tyre maintenance, making them a practical addition to any wheel assembly process.
Selection Guide
When choosing the right beaded band, consider the compatibility with your specific rim and tyre size. Options are available for a range of dimensions, ensuring that there is a suitable ribbed strip or bordered strip for most standard and specialty applications. Look for contoured edging that matches the profile of your rim to guarantee a secure and effective fit. If in doubt, consult product descriptions for guidance on appropriate pairings.
Applications
Beaded bands are widely used in automotive, agricultural, and industrial settings where tube and rim protection is critical. Their versatility makes them suitable for use on a variety of vehicles and equipment, from trailers to heavy-duty machinery. By investing in high-quality reinforced edging bands or grooved bands, you ensure the longevity and safety of your tyres and tubes, minimizing downtime and maintenance costs.
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