AL-KO Bellow Sigma Old Type for Older Coupling Systems
The AL-KO Bellow Sigma Old Type is a replacement overrun brake bellow designed for older-model AL-KO Sigma coupling systems. Made from durable, flexible rubber, it helps protect the drawbar and internal braking components from dust, dirt, moisture and road debris.
Applications and Use
Suitable for trailers and caravans fitted with older AL-KO Sigma overrun couplings. It can be used in recreational, commercial and utility towing applications, including normal road use and light off-road conditions.
Features and Benefits
- Helps protect the overrun brake mechanism from dirt, moisture and debris.
- Designed specifically for older AL-KO Sigma coupling models.
- Durable flexible rubber construction.
- Helps support smooth and consistent braking operation.
- Replacement component for older Sigma coupling systems.
Specifications
- Product Type: Overrun brake bellow
- Compatibility: AL-KO Sigma old type
- Condition: New
- Material: Heavy-duty flexible rubber
- Design: Old-type configuration with model-specific fitment
What’s Included
- 1 × AL-KO Bellow Sigma Old Type
Health and Safety
A damaged or missing bellow may allow contaminants into the braking mechanism, which can affect braking performance. Inspect the bellow regularly and replace it if it becomes worn or damaged.
Important Notes
This bellow is intended only for older AL-KO Sigma coupling models and may not be compatible with newer Sigma AK300 or other AL-KO variants. Verify compatibility before purchase. Installation should be carried out in accordance with AL-KO service guidelines. Images are for illustrative purposes only.
Built for Adventure
Keeping the small protective parts in good condition helps the bigger systems do their job properly. A sound bellow helps keep dirt and moisture away from the braking mechanism, so your trailer is better prepared for the road ahead.




Reviews
There are no reviews yet.