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Fast, sleek, and built to win! The GT4 inline speed skate combines the best speed skate construction with a minimalist look.
The GT4 inline speed skate is the only entry/mid-level inline speed skate made using one-piece manufacturing. One-piece manufacturing, to clarify, is a technique found on custom boots, typically costing over $1000. The craftsmanship on the GT4 is second to none. The boot goes through 16 stages of quality control before it is ready to be sold.
The GT4 inline skate boot begins its life being built around a last (plastic foot). Our lasts have been modified and improved for over 45 years by renowned skate designer Mr. Inze Bont. So, we have a pretty good place to start. We hand-wrap the carbon fiber and fiberglass around the memory foam to ensures a very lightweight yet durable base. Additionally, the epoxy resin we use is the most heat moldable resin in the industry! The boot also has anti stretch tapes that ensure the boot does not stretch over time.
The GT4 inline speed skate differs from the Bont Jet inline speed skate in that this boot has no thermoplastic inside the boot. Thermoplastic is great for molding your boot in the oven to customize the boot to your foot. However, if you don't need this feature then the GT4 inline speed skate is a better skate choice for you than the Jet.
Take your speed skating to the next level with the Bont GT4 inline racing skate.Features:
- Base: Carbon composite
- Outer skin: Microfiber
- Liner: Suede L
- Pitch: 12mm
- Air vents: Tongue
- Innersole: EVA thermo-moldable
- Heat moldable: Fully heat moldable base utilizing epoxy thermoset resin
- Padding: Soft memory foam
- Size: Kids 11/29 - adult 12.5/49
- Vegan: Yes
Manufacturing skates by hand, inside out, is a method Bont retains and is exceptionally proud of. The manufacturing process is far more skill-intensive and time-consuming than other manufacturing processes. Perhaps, most importantly, this enables Bont skates to lead the industry in performance. It does, however, result in a higher production cost than mainstream skate construction methods.
We continue to develop and refine our manufacturing process to maintain the best delivery of our high-quality products. For example, processes such as the use of generic vacuum boxes for the curing of carbon have been replaced. Today, for carbon curing, we use methods such as pressure wrapping. Pressure wrapping provides four atmospheres of pressure rather than one atmosphere you find in traditional vacuum forming.
Inze Bont’s, the renowned skate designer, engineering, has allowed our production line to optimize the manufacturing of our handmade monocoque skates in the most time-efficient manner possible.
Our innovative manufacturing processes match our drive for design innovation. Lighter, Stronger, Faster.
Read our process for Last Design, Footbed, Liner, Anti-Stretch, Carbon Fiber, Upper, and more in the self-titled sections below.
Ever wondered what Carbon Fiber is? For instance, is it Carbon Fiber or Carbon Fibre? To clarify, Fibre and Fiber have the same meaning. Fibre is the British English spelling, while Fiber is the US English spelling.
Carbon Fiber is a revolutionary material. It is as strong as steel with a fraction of the weight.
Carbon Fiber consists of mainly bonded carbon atoms. For example, the fibers’ long axis consists of particles that have been bonded together and aligned. Following this, a yarn is created by twisting several thousand of the threads together. Finally, a piece of fabric is woven from the yarn.
Here at Bont, we have been producing carbon-based boots since 1989. Above all and most importantly, we source our carbon exclusively from the world’s number one carbon manufacturer, Toray of Japan.
3k plain is a tightly woven carbon, which is commonly used in the Aircraft industry and Bont shoes.
An extremely stiff, lightweight, and adaptive carbon fiber. We use Unidirectional Carbon in our boots, which allows us to lay the carbon in a direction we choose. Therefore provide extremely stiff and lightweight boots. For example the Vaypor.
A cheaper form of carbon. 12K Plain carbon is not as strong as 3k Plain carbon, which results in the price being around 20% cheaper.
In the old days, if you purchased a plastic or nylon based shoe, you knew what you were getting. However, nowadays, with all of the expensive modern materials, it is getting harder to identify what is in your product. As a result, you may not be getting what you thought you purchased.
Here are some handy tips on different ways manufacturers use materials. That is to say, use these points for consideration in your next purchase.
One layer of carbon
Often, manufacturers misrepresent carbon shoes. For example, the shoe base can be an injection-molded plastic, or nylon, or fiberglass base and usually covered with a single layer of carbon fiber. Unfortunately, when you buy a shoe, and you see that it has a carbon base, the chances are that only the outer layer is carbon.
A variety of shoes are marketed as Unidirectional carbon. However, many of these shoes use injection molded carbon in the plastic and call this Unidirectional Carbon. Consequently, we feel this is a misuse of the terminology. For example, here at Bont, Unidirectional Carbon means carbon fiber, where all of the strands travel in the same direction.
Many shoes use a plastic injection molded base with some carbon particles in it. Also, these shoes typically have a single layer of silver fiberglass for the outer layer. As such, manufacturers advertise ‘carbon fiber’ for these shoes. They are allowed to use this term as there is carbon dust in the plastic mold under the outer fiberglass layer. However, the fiberglass woven material on the outside is not carbon. Above all, remember Carbon Fiber is always black.
What is 100% composite? This term almost covers anything. Therefore, the question you need to ask when considering a composite boot is, A composite of what? In short, a composite boot is usually a nylon fiberglass composite.
A Monocoque shoe is where the carbon is directly laminated onto the liner. Unfortunately, some companies are calling a carbon shell with an integrated heel cup a Monocoque shoe; however, it isn’t.
In summary, be aware of companies jumping on the bandwagon of carbon technology and using keywords to promote their product. Above all, do your research and be mindful of what you are purchasing. We hope this helps your decision in your carbon boot purchase.
What is a Last? The Last is a plastic replica of a foot which the boot is built around.
Here at Bont, we have been perfecting our Lasts since 1975! and the process is ongoing. Unlike the standard Last many companies use, Bont continually focuses on developing and improving our Lasts so that your boots fit right out of the box.
Made in house, from heat-moldable EVA, the Bont Footbed is the first piece of a boot added to the Last. To ensure it retains its extreme light-weight and heat-moldable characteristics, the Footbed is 65A hardness and only 3mm thick.
We reviewed hundreds of different types of Liners before choosing a suitable product to use in our Bont boots. Bont uses Microfiber, Suede-Like, and Durolite as our liners. Ensuring we are working towards sustainability and animal welfare, Bont is using Vegan-friendly products. In short, our liners are light-weight, durable, fight odor, and do not easily break down with sweat.
Our proprietary Anti-Stretch material shares similar strength characteristics with Kevlar. We add this material between the outer layer and the skin, which assists prevent the boot from stretching.
To ensure the material does not move, we stitch it to the outer layer and bond it to the liner. In short, this Anti-Stretch material becomes a part of the boots’ structure. As a result, Bont boots do not stretch out as much as competitors’ boots.
The Bont Upper, the upper section of the boot, is lightweight, glued and sewn onto the boot. We punch holes by hand through the Upper and the Liner for ventilation. Buckles and straps are attached to ensure your foot is pulled down and pushed to the back. Finally, we clean the excess glue off, and the boot is ready for skating. To be deemed ready for action, the boot is required to pass sixteen stages of independent quality control. As a result, we provide you with the best strength to weight ratio on the market.
This boot utilizes closed cell memory foam. Ensuring your shoe remains lightweight in wet conditions, Bont padding does not retain water. Additionally, this ensures sweat which can begin to break down the durability of the shoe is not absorbed.
Here at Bont, we have been conducting resin development for over 45 years. We formulated a resin that is super stiff, yet moldable at low temperatures. Furthermore, fast cure time is critical for our requirements. Additionally, we are one of the only boot manufacturers who develop their resins in-house.
Our resin softens at just 60°C (140°F), which is the lowest in the industry. As such, you can reheat our resin as many times as required. That is to say; you can heat your boot and easily mold it to your foot. Following the heating, allow your boot to set and cool for your custom mold.
Epoxy or polyepoxide is a thermosetting epoxide polymer that cures when mixed with a catalyzing agent or hardener. We control Polymerization, called curing, through temperature and the choice of resin and hardener compounds. The process can take minutes to hours.
The amount of hardener added to the resin is critically dependent on the temperature of the air and the amount of humidity. For this reason, we have a computer that mixes the resin and hardener. This computer dispenses the resin after measuring the air temperature and humidity.
Most manufacturers use a process known in the industry as pre-preg. A process that involves “pre-impregnating” resin into the carbon fiber.
Pre-preg, in virtually all applications, the carbon fiber manufacturer chooses the resin. Its a one shoe fits all kind of deal. The boot manufacturer has no way of altering the resin customize heat moldability requirements of modern boots. For this reason, many competitors require high temperatures to make their boots heat moldable. Often the boot moldability is limited, even at these high temperatures.
ONE PIECE CONSTRUCTION
At Bont, we produce high-end skates using a method we call One-Piece Construction. This process is far more skill-intensive and time-consuming, resulting in far higher costs than mainstream skate construction methods. However, this method allows our range of skates to lead the market in performance.
When the liner and skin of a boot have been glued to a pre-made base it is called a two-piece boot. Much of the stitching on a two-piece boot is purely cosmetic. Therefore, the stitching serves no structural purpose. It is positioned before the boot is made. As such, a two-piece boot can focus on cosmetics for stitching.
The stitching on Bont one-piece boots is stitching is not cosmetic. It stitches the outer skin to the anti-stretch material that is bonded to the carbon.
Bont manufactures the most heat moldable boots available in the market. Improved continuously for over 45 years, Bont proprietary resin is extremely stiff that becomes pliable at relatively low temperatures.
Bont boots are moldable over the entire base, unlike other skates that are moldable only in select locations. Importantly, this provides skaters with the most anatomically designed boot on the market today. Additionally, skaters with Bont boots can fine-tune the fit of the whole boot to get that customized fit.
This boot has a vegan option.
That is to say, this boot does not contain any animal ingredients or animal-derived byproducts. Our vegan materials include Durolite, microfiber, and suede-L (fake suede).
Our professional inline speed skating team are some of the best skaters in the World. They love to give us feedback! From the little things like the placement of the buckle to trialing the latest materials, they help Bont create products that not only look good but perform at the elite international level.
Bont eyelets have a large head, which spreads the pressure over a larger area to help overcome any discomfort. On the other hand, small eyelets can put pressure on a small area and can cause pain.
Most of our Bont boot models have a lace cover as the lace cover gives you extra support, whilst neatly tucking your laces away.
MICRO ADJUSTABLE BUCKLE
The Bont micro-adjustable buckle provides you with an additional level of tightness. Easy to adjust when wearing with a simple bend down to tighten, even during a race if need be.
Microfiber is a durable and lightweight material that can withstand minor crashes without scratching. Additionally, Microfiber comes in a wide variety of colors and three types of finishes; matte, shiny, and metallic. Finally, Microfiber is one of the Bont Vegan products.
The tendon pillow in Bont inline skates refers to the padding that pads around the Achilles tendon. It secures the foot in place to prevent heel slippage for the perfect fit.
The rubber protective front bumper protects the front of your inline speed skate boot from impact. Replaced easily by using a hairdryer to make the rubber warm and carefully peeled off. Next, use a strong adhesive, such as super glue, to attach the bumper to the boot. The replacement protective bumper comes as a set of two bumpers (left and right foot).
TPU TOE PROTECTOR
The Bont TPU Toe Protector protects the front of the inline speed skating boot from bumps and minor scratches.
Scientists have proven that cooler feet can boost performance. This model inline skate boot has ventilation in the tongue and on top of your toes. This helps circulate air and cool your feet.
BUY WITH CONFIDENCE
You can always buy Bont Skates with confidence. Skaters have been buying Bont Skates since 1975 and we are the world’s largest manufacturer of inline speed skates and short track speed skates and custom skates as well as one of the largest manufacturers of roller derby skates.
We have a reputation for looking after our customers. We do everything possible to ensure that our products are made to the highest standards. As an example, all of our boots go through 16 individual stages of quality control before they are shipped out.
Our inline wheels, roller skate wheels and frames are all tested for strength and fatigue on the computer using the most advances computer-aided stress testing available. Bont bearings are produced in partnership with some of the best speciality bearing manufacturers in the world.
All Bont products go through a rigorous team testing phase before being brought to market. Team Bont skaters are the very best in the world.
When you buy Bont Skates, you get the best skates on the market.