Core Sensor 4 Vario Back Lines – Core Kiteboarding The Core Sensor 4 Vario Back Lines allow you to easily replace a worn or damaged section of your back flying lines without needing to replace the full set. Thanks to the modular system (2m, 4m, and 18m sections), you can simply swap the affected part and keep your setup performing at its best. Made from durable, low-stretch Tectanium® line material, these back lines are shrink-resistant and built for long-lasting reliability and precise kite control in all conditions. Modular line system The Sensor 4 Vario system uses interchangeable sections, allowing for efficient maintenance and customization: 18m base section 4m extension 2m adjustment section Total setup: 24m This system ensures you only replace what is worn or damaged, reducing waste and cost while maintaining optimal performance. Features: Compatible with Core Sensor 4 bar Modular back line system (18m / 4m / 2m) Replace individual sections instead of full line sets Durable, low-stretch construction Shrink-resistant and long-lasting performance Ensures precise steering and control