Black Line Mono tapered

Black Line is Gaastra’s flagship aluminum boom. The alloy T8 construction guarantees durability while also reducing the overall weight. The back section of the boom has been uniquely tapered to provide extra stiffness, making it 20% more rigid than the Green Line. The latest version comes equipped with a double push-pin length adjustment system which ensures a stiff and solid connection between the boom and the tail end. The Black Line also features a reduced diameter in the grip designated areas which facilitates steering in every conditions while also providing a stronger grip and reduces arm effort. The boom comes in 4 different lengths, each of them is uniquely bent to guarantee maximum performance and fit the individual rider’s needs. Gaastra booms are made using a monocoque method which utilizes a bended one piece tube. The reduction of moving parts in the boom greatly increases the stiffness and prolongs the structure’s life span. The Black Line is a compromise between strength, durability and affordability which makes this boom a perfect choice for advanced riders as well as beginners looking for the best performance.

Features

• Reduced grip diameter (27/29mm) – Grip designated areas on the boom have been reduced in size to 27mm which ensures a stronger and more solid grip. Additionally it facilitates steering and provides more comfort.
• Double push-pin operating system – The double pin used in the length adjustment system constitutes to the overall stiffness of the boom while also making it very durable. The push pin serves as a connection between the boom and its extendable and thanks to its effectiveness, it improves the performance of the entire set.
• Double push-pin operating system – The double pin used in the length adjustment system constitutes to the overall stiffness of the boom while also making it very durable. The push pin serves as a connection between the boom and its extendable and thanks to its effectiveness, it improves the performance of the entire set.
• EVA foam – The antislip EVA foam allows the rider to hold the boom comfortably and ensures a solid grip even in the harshest conditions.
• Optimized boom head – A high quality boom head featuring an inside rubber pad, which maximizes durability and absorbs vibrations in order to protect the mast.
• High quality aluminum alloy – Gaastra use the finest materials to produce their booms in order to boost the durability and create an ideal product. The Black Line is fully made out of an aluminum alloy which guarantees a perfect weight/stiffness ratio while also making it more affordable.
• Loop-Loop-Go System – The Loop’n’Go feature facilitates sail trimming by allowing the user to simply tie a loop to secure the rope on the boom.