Duplo (Standard / STS / 138mm)

Item No.: 300138

Manufacturer/Brand: Duplo

13,27 EUR - 14,93 EUR
incl. 19 % VAT

Scaled Prices

Quantity Unit Price
1-19 14,93 EUR
>= 20 -1,66 EUR 13,27 EUR

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  • Hardness of the Synthetic Material: Standard (orange)

  • Shape: STS (straight toe, size 102-154)

  • Size: 138mm / 5.34 inch


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product description

Shock Absorbing Unclipped Hybrid Urethane Horse Shoe with Internal Steel Insert

Generally speaking, opinions differ on whether a clipped or unclipped horseshoe is superior. The advantage of an unclipped horseshoe is that the risk of injury is lower and the hoof capsule has more freedom of movement than with a clipped hoof protection.

Nevertheless, the quarter clips have become popular for many reasons. First and foremost, of course, they make the farrier's job easier when customizing and shoeing, since the horseshoe is already relatively stable during the shoeing process. An unclipped horseshoe, on the other hand, is somewhat more difficult to place on the hoof.

A horseshoe without clips - whether it is a steel horseshoe, a purely urethane horse shoe or a hybrid horse shoe - has higher forces acting on the hoof nails, which can result in shortened durability of the hoof protection on the hoof. Especially for an unclipped horseshoe, it is therefore important to ensure proper riveting .

No matter what you choose, a clipped or unclipped hybrid urethane horse shoe: We certainly have something suitable for you in our assortment. Even though almost all our other horseshoes are equipped with two quarter clips, they can be easily removed if you prefer an unclipped horseshoe.

Brown Quarter Horse mare rolling on a grassy paddock, all four hooves with horseshoes visible in the air
Two horses with hybrid urethane horseshoes pulling a carriage across a spring meadow, water splashing after galloping through a stream

The Knob Arrays - the "Ace in Our Sleeve" for an Unclipped Hybrid Urethane Horse Shoe

If you choose our unclipped hybrid urethane horse shoe - by the way, the first model from our company - we have good news for you!

Especially when it comes to the secure fit of the horseshoe on the hoof, the quarter clips are usually advantageous. An unclipped horseshoe is less protected from twisting or slipping on the hoof, especially towards the end of the shoeing period. This is where our knob arrays come into play.

The knobs are made of a relatively hard urethane material and press into the bearing edge of the hoof. This leads to additional stabilization on the hoof and thus reduces the risk of the shoe twisting on the hoof. So, if the unclipped horseshoe is carefully nailed to the hoof, these inconspicuous colored 'plastic tips' help that the horseshoe stays longer where it belongs.

Unclipped Urethane Horse Shoe with Integrated Steel Insert – Photos

Three shapes of composite horseshoes without quarter clips and with orange textured inserts, leaning against a root on stone

Our hybrid urethane horse shoes without clips are available in front and hind patterns as well as in the special STS shape with a slightly straightened toe area.

Two un-clipped composite horseshoes for front hooves, with green and orange textured inserts, placed side by side on stone

The versions of our unclipped hybrid urethane horse shoe with steel insert are available in both hardness degrees Standard and Extra.

CClose-up of the orange insert in a composite horseshoe – helps keep the un-clipped nail-on horseshoe securely in place

Small "plastic tips" with a big effect: our knob inserts in detail.

un-clipped hybrid urtehane horseshoe held against front hoof to check fit, orange insert clearly visible

With an unclipped horseshoe, the correct fit is crucial for durability on the hoof.

Horse at a walk with nailed urethane hybrid horseshoe – underside view of hoof nail heads recessed into the synthetic coating

The view from below: Our unclipped horseshoes have an open sole area.

Two Moritzburger geldings in motion in front of a carriage with nailed-on urethane hybrid horseshoes, front and hind hooves visible

Thanks to knobbed inserts and good workmanship, a secure hold is possible even under difficult conditions.

Two composite horseshoes without quarter clips in different sizes for small and large hooves, with green and orange inserts

Our unclipped horseshoes are available for both small and larger hooves.

Three horseshoes: open-toe rehab shoe, Classic pure urethane model and Nailless composite shoe, both glue-on, without inserts

Other unclipped urethane horse shoes in our range are the Nailless , the open-toed horseshoe and the Classic without metal core.

Farrier removing horseshoe, gripping nails with nail puller, hoof with nailed plastic-coated horseshoe clearly visible

To make it easier to remove the nailed-on hybrid urethane horse shoe, we lightly sharpened a nail puller with the belt sander.

Application and Safety Instructions for Unclipped Horseshoes – Video

Thanks to the soft material of the urethane sheath and the rounded edges, the risk of injury in the herd is lower with a hybrid urethane horse shoe. When using an unclipped horseshoe, another safety risk is eliminated.

Gray Icelandic horse galloping freely with flowing mane across a summer meadow

However, with a horseshoe without clips, even more attention must be paid to the correct fit of the shoe during the shoeing period. This is the only way to avoid losing a horseshoe.

Even if the horse cannot step into any quarter clips if a horseshoe has been lost on the pasture, the risk of a nail penetration injury remains. We therefore always advise to look for the horseshoe - no matter what kind of hoof protection it is.

No matter which horseshoe from our range you want to use - whether is is a clipped or unclipped horseshoe, please read and observe our security information. The safety instructions are addressed not only to the farrier, but also to the horse owner and rider.

Hybrid Urethane Horseshoe – the Advantages of a Solid Metal Inlay and a Urethane Sheath on the Hoof

Hubert Frank has gained extensive experience since qualifying as a farrier in 1995. From early on, he questioned the idea that only the traditional steel shoe could work on a horse’s hoof. He kept wondering why, even today, we still use almost the same type of horseshoe as 1,000 years ago, while in so many other areas of life we constantly develop new solutions.

We were often faced with this question, especially in our early days, when we entered the market with the "original model" of our current hybrid (composite ) horseshoes. This is how the history of today's Duplo Composite Horseshoe began around the year 2000.

The goal behind the development was (and always will be) the well-being of the horse and associated with it a healthy hoof. So we will never be categorical promoters of the alternative horseshoe ! Our product is a product "from farriers for farriers". We know about the positive characteristics of the horseshoe and about areas of application where a traditional horsehoe is necessary. Nevertheless, we would like to offer our customers a 'modern' alternative to the 'traditional' steel shoe.

Today's composite horseshoe is a kind of hybrid product: the stabilizing metal core stands for the traditional horseshoe, the urethane sheath with its concussion absorption powers for the pure plastic or synthetic shoe. Our hybrid horseshoe combines the advantages of both types of shoeing on the horse's hoof. In the area of the bony structures of the hoof, the metal core stabilizes; in the area of the soft structures, i.e., among others, in the area of the frog, the digital cussion and the bulbs, you will find the shock-absorbing, soft urethane coating. We have prepared a video for you that illustrates the functionality and structure of our hybrid horse shoe.

Video: Functionality of a hybrid urethane horse shoe with metal inlay on the horse's hoof

The Composite / Hybrid Horse Shoe

Application Guide – Nail-on Hybrid Urethane Horse Shoes

In our video, Stephan Becker explains the general application of our hybrid horse shoes - an urethane horse shoe with an integrated steel insert. What applies to the clipped horseshoes naturally also applies to an unclipped horseshoe.

The correct barefoot treatment, in particular achieving a straight, even planar bottom surface of the hoof through correct rasping and the customization of the horseshoe to the hoof are even more important when you nail-on an unclipped horseshoe. Even if our knob arrays provide some support: even they cannot prevent an improperly fitted shoe from getting lost.

Video: Shoeing Instruction of a hybrid urethane horse shoe with metal inlay

Shoeing Instruction

Glued Application of an Unclipped Horseshoe

If you want to apply our horseshoe with glue, we recommend to use the Nailless. The Nailless is designed without a separate knob array and is therefore better protected against the tractive forces that increase during the shoeing period due to hoof growth.

The development of the Nailless is based on experience reports which show that the pressure acting on the shoe in the area of the knobbed inserts has a different effect on a glued horseshoe than on a nailed one.

Video: Wolf Busch® Glue-on Tabs

Wolf Busch® Glue-on Tabs

Composite horseshoe with ground-down inserts held in hands, modified plastic-coated horseshoe for horse hooves

In the case of a model with knobbed inserts, the plastic may crack in the area of the knobs and the horseshoe can therefore not be reused. For this reason, the Nailless is being produced without knobbed inserts.

If you are unable to purchase the Nailless in the size or shape you need, remember to be sure to grind off the knobs of the horseshoe before welding. This will help you to achieve an ideal form closure for your adhesive horseshoe.

As always, be careful not to inhale sanding dust during all sanding operations.

Product Specifications

General Product Information
General Data and Delivery Information
Model Un-Clipped Composite Horseshoe with Knob Arrays for a Secure Fit
Brand Duplo
Manufactured in Germany
Item Numbers 100, 101, 410, 411, 300, 500
Packaging Unit sold individually
Returns and Exchanges Possible under certain conditions within 3 months within the European Union (EU).
For returns from outside the EU, please contact our customer service.
All details can be found under FAQ → Service & Conditions
Function and Areas of Use
Function and Application
Function Alternative hoof protection, shock absorption, stimulation of the hoof mechanism
Riding Styles and Disciplines among others: leisure riding and orienteering, western riding, dressage , driving, gaited horses riding, baroque riding, ground work, cross-country riding, endurance riding , Eventing , Working Equitation
Horse Breeds among others Warmblood, Thoroughbred, Haflinger, Icelandic Horse, Arabian, Andalusian, Hanoverian, Missouri Foxtrotter, Norwegian, Welsh Pony, German Riding Pony, Konik Pony
Season / Hardness Level Available in both hardness levels and suitable for year-round use.
During colder months, we recommend the slightly softer Standard horseshoes.
In warmer temperatures, the slightly harder Extra version has proven to be more abrasion-resistant .
Sizes and Measurements
Measurements, Shapes, Sizes, and Weight
Available Shapes round and STS (usually fits front hooves) / oval (usually fits hind hooves)
Size Determination Based on hoof shape and the widest part of the hoof (after proper trimming), or, if necessary, the size of the previous steel shoes.
Feel free to use our free template.
Sizes (=Width)
  • round: 102mm, 106mm, 110mm, 114mm, 118mm, 122mm, 126mm, 130mm, 134mm, 138mm, 142mm, 146mm, 150mm, 154mm, 158mm
  • STS: 102mm, 106mm, 110mm, 114mm, 118mm, 122mm, 126mm, 130mm, 134mm, 138mm, 142mm, 146mm, 150mm, 154mm
  • oval: 98mm, 102mm, 106mm, 110mm, 114mm, 118mm, 122mm, 126mm, 130mm, 134mm, 138mm, 142mm, 146mm, 150mm, 154mm
Size Intervals in 4mm steps
Length varies by size – for details please visit FAQ → Sizes and Shapes
Thickness 15mm
Weight depending on the size from 170g up to 495g
Material and Construction
Material and Construction – Special Features
Plastic Coating The soft plastic coating has a shock-absorbing effect.
The bar made of plastic material can improve the blood circulation of the hoof.
Hoof Mechanism The flexible synthetic material encourages the mobility of the elastic hoof structures.
Sole Area The open sole design offers breathability to the hoof sole and the frog .
The molded synthetic lip, acts like a debris guard. It helps to reduce the amount of snow and debris balling up .
Grip To improve the grip of the shoe you may add a deeper thread pattern and / or spikes.
Always adjust riding speed according to the ground conditions, especially on slippery surfaces.
Knobs The knobs are impressed into the weight-bearing surface of the hoof wall and help the nail-on horseshoe keep its position on the hoof.
If you are using the horseshoe as a glue-on shoe, please grind off all knobs before plastic-welding the glue-on tabs to the shoe.
Metal Core The metal core enhances durability and helps avoid unwanted pressure on the hoof.
Nailing Slots The shoe features 6 to 8 nailing slots integrated into the metal core, depending on size.
The optimal nail size varies by hoof condition and size.
You’ll find general recommendations in our shop under hoof nails.
Application and Accessories
Shoeing and Customization
Application nail-on shoe, glue-on shoe or cast shoe
Shoeing Instruction can be found unter FAQ → Instructions
Therapy Shoe / Rehab The model is also suitable for supportive use in the orthopedic and therapeutic field. We expressly point out that our products do not diagnose or cure any diseases and advise for any use with a therapeutic or orthopedic background to work closely with the hoof specialist or veterinarian on site.
Customization Always fit the horseshoe individually to the hoof shape – use an angle grinder, belt grinder, hoof nippers, or toeing knife.
Advanced modifications (at your own discretion) are possible: narrow, widen, lengthen the shoe or close the sole area; you may also bend or grind a Toe Rocker .
More info available under FAQ → Adjustment to the Hoof.
Accessories among others Wolf Busch® glue-on tabs, glue-on collars Pro and Easy, Extensions , Hoof Sole Protector , wedge , colored stripes, cast hooks, Spikes and more
Safety Aspects
Safety Instructions
Safety Information can be found unter FAQ → Safety Information
Safety Instructions as PDF Download PDF Download
Risk of Injuries in Herds Minimized risk of injuries in herd situations and in case of irregular movements in comparison to a steel shoe or the sharp-edged border of a bare hoof - please also read our safety information.

Tips and Tricks:

black quarterhorse stallion on the pasture

Abrasion and Durability of Urethane Horseshoes

When it comes to a good horseshoe - whether clipped or unclipped - durability is crucial in addition to functionality. In terms of Abrasion and durability, the following factors, among others, play a role:

  • the horse and its behavior in the box and in the herd situation
  • the horse's gait behavior
  • the riding discipline and frequency of training
  • the ground conditions on which the horse is walking - whether it is being ridden or in the non-training period
  • the temperature and climate

So when it comes to the durability of a horseshoe, we get very different results depending on the horse, riding style and region. While some leisure riders can reset a horseshoe several times, endurance riders need a new set every few weeks. Unfortunately, we cannot make a general statement at this point. You can find more information on this topic in the FAQ section.

Removing the Clips

You can easily modify a clipped horseshoe into an unclipped version.

For this purpose, it is best to use an angle grinder. Because of the heat generated, it is advisable to remove the clips piece by piece and in turns to prevent the urethane material from melting. In the process, try to maintain the knob arrays as best as possible, if you want to nail-on the shoe.

Also on the bottom side of the horseshoe, you can grind the metal part of the clips to round off any edges.

If you want to glue-on the modified shoe, please note that you cannot create a welding seam between the horsehoe and the glue-on tab in the area where you have removed the clips.

grinding of the quarter clips on a hybrid urethane horse shoe with metal inlay
Donkey with a glue-on hybrid urethane horseshoe with metal inlay

Modifications

Our unlclipped horseshoes are available in 4mm steps and can easily be adapted to the respective hoof shape. So there is a suitable shape and size for almost every horse. Sometimes, however, it still happens that no size seems to fit quite right. In this case, with a little craftsmanship, you can modify the horseshoes at your own discretion. You can make a horseshoe narrower or wider, or even lengthen or widen it with our Extensions. Of course, especially when working with the Extensions, you must always keep an eye on the correct position of the metal core on the hoof.

Shelly Huber and Sandy Frank, the next generation of farriers in the Frank family, can report a very special "DIY " challenge:
With the help of an unclipped horseshoe, Wolf Busch® glue-on tabs and our Extensions, they made the modifications necessary for donkey hooves and helped a donkey feel comfortable on his hooves again.

glue-on horseshoe modified for donkey hooves
hybrid urethane horse shoe glued onto donkey hooves
side view of a donkey hoof with a glue-on composite horseshoe with plastic sheath and solid metal inlay
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Manufacturer in accordance with the Regulation (EU) 2023/988 on General Product Safety (GPSR)

Name: H. Frank Kunststofftechnik GmbH
Electronic Address: info@duplo-frank.de
Physical Address: Vorderfreundorfer Straße 20
ZIP Code: DE-94143
City: Grainet
Country: Deutschland
Phone: +49 (0)8585/96926-0

Responsible Person in accordance with the Regulation (EU) 2023/988 on General Product Safety (GPSR)

Name: H. Frank Kunststofftechnik GmbH
Electronic Address: info@duplo-frank.de
Physical Address: Vorderfreundorfer Straße 20
ZIP Code: DE-94143
City: Grainet
Country: Deutschland
Phone: +49 (0)8585/96926-0