Trimmer Line 2.4 mm Whisper™  for Grass Trimmers and Brushcutters (44 m)

Accessorie for the following items:

• RY18BCX26A-0 Brushcutter Brushless 18 V ONE+™ HP da 26 cm
• RY36BCX30A-0 Brushcutter MAX POWER Brushless, da 30 cm

Product Description

The Whisper™ 2.4 mm trimmer line (44 meters) is engineered for demanding users looking for high-performance cutting combined with superior acoustic comfort. Thanks to its special blend of durable materials and its patented aerodynamic profile, this line drastically reduces noise levels (up to 50% less compared to traditional lines of the same thickness). The aerodynamic shape decreases air resistance, allowing the trimmer engine to reach its optimal RPM faster, while reducing fuel or battery consumption. It is ideal for regular grass, weeds, and trimming tasks in residential or noise-sensitive areas.
Technical Specifications

•     Product Code: 5132006584
•     Line Diameter: 2.4 mm
•     Spool Length: 44 m
•     Profile: Whisper™ (aerodynamic, low-noise)
•     Color: Generally grey/yellow (depending on the production batch)
•     Compatibility: Petrol brushcutters (from 25cc to 35cc) or heavy-duty cordless battery trimmers.

Complete Operating and Spooling Instructions

1. Line Conditioning (The Pro Tip)

•     Maintenance Note: Before installing the new line, submerge the spool in a container of cold water for about 24 to 48 hours. Nylon is hygroscopic; soaking restores moisture to the polymer, making the line significantly more flexible, resilient against hard surfaces (walls, stones), and less prone to welding inside the trimmer head.

2. Replacing the Line in the Trimmer Head (Standard Tap & Go Models)

•     Safety First: Turn off the trimmer engine (or remove the battery pack) and wear protective work gloves.
•     Disassembly: Open the trimmer head by pressing the side tabs and remove the inner spool. Clean out any dirt, dust, or dried grass residues.
•     Cutting: Cut a length of Whisper™ line roughly 4 to 6 meters long (check your trimmer head manual for exact capacity).
•     Winding: * Hook the middle of the line into the anchor notch located on the inner spool divider.
•         Wind both halves of the line tightly and evenly following the directional arrow stamped on the spool (usually marked as "Arrow" or "Wind Line"). Keep the line under tension to prevent overlapping.
•     Reassembly: Lock the line ends into the temporary holding slots on the spool, feed the ends through the metal eyelets of the outer trimmer head housing, and snap the cover back into place.
•     Initial Adjustment: Tug gently on the line ends to release them from the temporary slots. Make sure the line does not extend past the guard blade, which automatically trims excess line to the correct length.

3. Trimming Techniques and Job Safety

•     Cut with the Tip: The line cuts using the centrifugal speed of its very tip. Do not force the trimmer head into thick, tall grass; instead, cut in stages from the top down.
•     Prevent Overheating: When trimming along chain-link fences, brick walls, or concrete curbs, avoid constant contact to prevent premature wear of the Whisper™ aerodynamic profile.
•     Required PPE: Always wear safety glasses or a face shield, long trousers, heavy-duty footwear, and ear protection (even though the line is quiet, the machine's motor still generates noise).

All product specifications in this catalog are based on information taken from official sources, including the official manufacturer’s RYOBI websites, which we consider as reliable. Unfortunately, even the official documents may contain mistakes and printing errors – we are not able to confirm that all of these data are precise and represent the facts. Most of the manufacturers reserve the right to change the product characteristics or complement without notice. We strongly recommend using the published information as a basic information subject to RYOBI brand review. Please refine the important parameters by the selling assistant when making a purchase. All content included in this catalog is the intellectual property of www.bricoutensili.com. Any publication or copying (full or partial) without a reference to the source page is prohibited.