Henderson Marathon Sliding Door Gear Set S9
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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Description
Henderson Marathon Sliding Door Gear Set S9
Sliding partitions and internal doors require a hardware system that balances physical weight with a smooth tactile experience so that users feel quality every time they move the door. The Marathon S9 sliding door gear set provides exactly this performance by utilising a sophisticated ball cage design which keeps the movement fluid even after years of daily operation in busy homes or commercial office environments.
Building owners often face the challenge of installing sliding doors that become heavy or difficult to slide over time because the underlying hardware is not suited to the task of regular use. This set solves those concerns by using a solid alloy runner bar that remains straight and true throughout the lifespan of the installation, which gives your joinery a professional foundation that supports heavy doors up to 90kg with total ease.
Why Choose the Henderson Marathon Sliding Door Gear Set S9
This hardware set brings precision engineering to your sliding door projects for long-term functional reliability.
Superior Weight Capacity
Supporting doors that weigh as much as 90kg is a serious test for any sliding gear, but this kit handles that load without showing signs of stress. You can confidently hang substantial wooden or metal doors because the internal components distribute force evenly across the alloy runner bar so the motion remains light and perfectly controlled.
One Piece Ball Cage
The design team focused on the mechanical interface between the wheels and the track by using a one piece ball cage. This construction method keeps all the internal ball bearings aligned perfectly, which prevents the clicking or catching noises that often plague cheaper sliding hardware options and ensures a whisper quiet glide for your doors.
Versatile Material Compatibility
Whether your door project involves traditional timber construction, modern wood framed glazed partitions, or metallic panel doors, this gear set adapts to your specific requirements. The installation hardware accounts for door thicknesses ranging from 32mm to 50mm, which provides a comfortable range for most interior design specifications that architects or joiners typically work with today.
Engineering Quality and Daily Performance
Internal components undergo strict quality control to guarantee that your door slides correctly from the first day to the last.
Internal Mechanism and Force Distribution
Precision engineering sits at the heart of the Marathon series because a sliding door is only as good as the track it sits upon. The solid alloy runner bar acts as a stable spine for the entire system, preventing the warping that would otherwise cause a door to bind or drag inside its opening.
Because the wheel assembly is built to high tolerances, the force required to slide a heavy door is reduced significantly. This makes the heavy door feel lighter to the touch, which is a major benefit for accessibility in households or areas where young children or elderly occupants might find heavy doors difficult to manage.
Durability and Long Term Operation
Reliability comes from using materials that can handle the friction of thousands of cycles without degrading. The nylon components in this kit are specifically chosen for their low friction properties and natural wear resistance, which means you do not need to apply lubricants or worry about the wheels grinding down under the weight of the door.
Once the system is installed, the adjustment mechanism allows you to fine tune the position of the door with ease. You can make small tweaks to the height or track alignment if the building structure settles slightly over the years, ensuring the door remains perfectly balanced and level regardless of environmental factors.
Installation and Operational Workflow
Follow these clear steps to achieve a professional finish for your sliding door assembly project.
Preparation of the Opening
Measure the width of your door opening twice to ensure the track length is appropriate for the 2000mm to 2500mm range. Make sure the head of the opening is perfectly level because any deviation here will cause the door to slide open or closed by itself, which creates an annoying situation for the end user.
Top Track and Runner Installation
Secure the top assembly to the head of the opening, taking care to line it up with the floor guide channel position. Once the alloy track is fixed, insert the runners and check they move from end to end without any resistance, as this is the best time to rectify any alignment issues before the door is mounted.
Final Hanging and Adjustment
Mount the door onto the runners using the provided top plates, which then allows you to set the wall mounted stops at the correct limit points. Finally, secure the floor guide into the bottom of the door, as this keeps the door from swinging outwards and keeps the motion steady throughout the entire slide.
Expert Installation and Care Tip
When you fix the bottom floor guide, always use a spirit level to ensure it sits directly below the top track centreline. This prevents the door from binding at the bottom, which is the most common cause of poor performance in sliding hardware, and keeps your installation running like new for decades.
Technical Specifications
| Feature | Rating / Standard | Practical Details |
|---|---|---|
| Max Door Weight | 90kg | Suitable for heavy wooden and solid core doors. |
| Door Thickness | 32mm to 50mm | Covers most standard interior and partition doors. |
| Width Range | 2000mm to 2500mm | Covers standard single door apertures with ease. |
| Component Material | Solid Alloy & Nylon | Ensures corrosion resistance and quiet operation. |
Longevity and Trade Reliability
Professional joiners and interior contractors choose this kit because it reduces the chance of callbacks due to hardware failure. The high build standard means you provide your client with a finished door that operates with a premium feel, which is the hallmark of quality architectural hardware.
Compatibility and Fitting Notes
Specification
| Manufacturer | Henderson |
|---|---|
| Guarantee | 12 months |
| Track Location | Top Hung |
| Track Fixing | Face Fixed |
| Maximum Door Weight (kg) | 90 |
| Tracks | 1 |
| Type | Sliding |
| Sub-Type | Straight |
| Leaf Capacity | 1 |
| Maximum Leaf Width (mm) | 2500 |
| Maximum Leaf Height (mm) | 3000 |
| Minimum Leaf Thickness (mm) | 32 |
| Maximum Leaf Thickness (mm) | 50 |


