Swing Beam Attachment Kit for 1 Tree – Bracket
Assembly Kit for Swing Beams on Trees – Load Capacity up to 1,700 kg
✔ Recommended for trunk diameters > 25 cm (9.8 in)
✔ Safe swinging for 1–2 children and adults
✔ Ideal for swing beam lengths up to 6 m (19.7 ft)
Included: GTS Friend 2.0 and the new Position-Rings 2.0 – for secure fastening and easy assembly.
Tax included. Shipping calculated at checkout
Swing-Kit 1 Tree – Product Details
Products included in the set
Product dimensions
All dimensions and details can be found on the respective product pages:
GTS Friend - Version 2.0:
Load Capacity - Swing-Kit 1
- GTS Friend in softwood at least 600 kg*
- GTS Friend in hardwood up to 1700 kg*
* Important: The actual load capacity depends on many factors, e.g. lever arm, load direction or wood strength. Always calculate with a safety factor!
Lateral lever forces on the GTS Friend must be avoided, especially in softwood!
Assembly instructions & video
To install the GTS Screws, a hole must be pre-drilled in the tree – you can find the appropriate installation tools in our shop.
Detailed step-by-step instructions can be found on our YouTube channel.
Shipping & Delivery
High-quality set that completely satisfies us. Very friendly contact and extremely helpful.
Really good products and professional service. It's easy to see that they have a lot of experience and know all the pitfalls. Highly recommended.
Swinging fun for the whole family!
Trees are made for swinging – and with this installation kit, the wooden beam sits securely and stably on the trunk. Thanks to the new Position-Rings 2.0, you can flexibly adjust the beam bracket to the tree's growth. This means that the swing will remain a favourite place for young and old alike for many years to come.
Swing beam dimensions
You can easily calculate the cross-section of your wooden beam using this rule of thumb:
Beam height [cm] = span [cm] / 20
The width of the swing beam should be 10–14 cm. You can find more information in Step 11: Timber guide
Swing beam + A-frame
Swinging under a tree canopy is simply wonderful! All you need is a healthy tree with a trunk diameter of at least 25 cm (9.8 in) at the height of the tree bolt. The other side of the swing can be supported with a A-frame made of wood and firmly set in concrete, for example.
Small movements of the tree? No problem – the wooden construction compensates for this safely.
Grows with you!
GTS Tree Bolts protect the tree – no long-term bruising as with other attachment methods.
The swing beam (red) is initially positioned close to the trunk to minimise leverage. Thanks to the Position-Rings 2.0 (white), it can be moved further outwards year after year – allowing the tree to grow freely in width without being squeezed.
Are you still swinging – or are you already dreaming of your own treehouse?
Many customers start with a swing – and later plan to build a treehouse on top of it.
In such cases, we recommend the large GTS Allstar tree bolt. Its long shank leaves enough room for expansion even years later – and its load capacity is easily sufficient for large, heavy treehouses. So: It's best to think about how high you want to go before you start swinging ;)
Successful projects
Our GTS tree bolts can do more than just hold swings – be inspired by the treehouse projects of our customers!
Maybe you'll want more :)
Ask the fastening expert
Need help? I'd be happy to advise you – please check our FAQs first, as most questions are answered there ;)
How thick do my wooden beams need to be?
Swing beam dimensions:
This depends on the span, the load and the area of application. You will find a rule of thumb and all the details in our Step 11: Timber guide.
A-frame, 4 m high:
- 12 × 12 cm larch wood, with intermediate strut
- concreted in with post shoes
- Foundation dimensions approx. ø 40 × 50 cm deep
Will my swing beam grow upwards with the tree?
Your swing beam will always remain at the same height. Trees only grow upwards at the tips of their branches; the trunk grows in width. This growth in thickness (3–15 mm per annual ring) must be taken into account, otherwise the tree will suffer!
What is the load capacity of GTS Screws?
GTS Screws are designed for extreme loads of up to 4 tonnes. The exact load capacity depends on the following factors:
- Wood strength of the tree
- Lever arm (distance at which the beam is mounted)
- Load direction and type (static or dynamic)
Can I also use screws from the hardware store for Treehouse Fastening?
Our practical experience: No!
The screws, threaded rods and bolts available from DIY stores are not suitable for high loads with lever arms. The frequent alternating loads caused by wind are particularly problematic, as these can lead to fatigue fractures in normal wood screws over time.
The beams must be at a distance from the tree so that it can continue to grow in width. The distance and the associated lever forces can only be reliably handled by professional tree bolts!