EK Archery R9 / RX Adder Spare Crossbow String
Keep your crossbow performing at its best with this official
EK Archery R Series spare string, designed for the Cobra System R9 and RX Adder
crossbows. Whether you're replacing a worn string or keeping a backup in your
kit, this high-quality replacement ensures reliable performance and consistent
shooting.
Key Features
Official EK Archery replacement string (CRS-107K)
Compatible with R9, RX and Adder crossbows (90lb–130lb)
Durable construction for long-lasting use
Pre-made and ready to install
Black and orange design
Compatibility
This spare string fits the following models:
EK Archery Cobra R9 (90lb)
EK Archery R9 Deluxe
EK Archery RX Cobra (130lb)
EK Archery RX Adder (130lb)
Not suitable for the 180lb Adder upgrade version
(requires a different string).
Why Replace Your Crossbow String?
Over time, crossbow strings wear due to friction and
repeated use. Replacing your string helps:
Maintain accuracy and shot consistency
Prevent unexpected breakages
Extend the life of your crossbow limbs and components
Maintenance Tips
To maximise lifespan and performance:
Apply string wax regularly
Keep the rail lubricated
Avoid dry firing your crossbow
Proper care significantly improves durability and
reliability
What’s Included
1 × EK Archery R9 / RX Adder replacement string
UK Stock & Fast Delivery
We hold this item in UK stock for fast dispatch and reliable
delivery, so you can get back to shooting without delay.
Frequently Asked Questions
Will this fit the Cobra R9 Adder?
Yes, it fits all standard R9 and RX Adder models
(90lb–130lb).
Is this the same as the original string?
Yes, this is the official replacement string supplied for EK
Archery crossbows.
Do I need tools to replace it?
Basic stringing tools or methods are recommended, depending
on your setup.
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