Kostka Twenty Max (G6)

Beställningsvara och tas direkt ifrån fabrik när du lägger order. Normal leveranstid 2-3veckor från att du lagt din beställning. Universal Sports Footbike

Beställningsvara och tas direkt ifrån fabrik när du lägger order. Normal leveranstid 2-3veckor från att du lagt din beställning. 

Universal Sports Footbike 20-20

The footbike KOSTKA Twenty Max (G6) for adults is equipped with 20/20 wheels excels in its universality. It fits best for both longer and shorter trips and, thanks to its dexterity, also for the city rides. The 20” inflatable wheels also work well for lighter terrain.

The footbike KOSTKA Twenty Max (G6) is a model designed for riding through city traffic, but it still preserves its sporty nature. Therefore, it will always meet all your criteria for your trips in the neighbourhood.

It’s not as small as it appears..

..and you will be surprised by its driveability during longer trips whether on asphalt road, gravel or unpaved roads. The model allows you to be much quicker than other “in-line footbikers”. This footbike very popular among women - but it doesn’t mean that it cannot handle the well-grown men as well! It fits well also for children and teenagers above 150 cm. The dexterity and universality are the main qualities of the footbike KOSTKA Twenty Max (G6) - that’s why this model is so desired among the customers! You can easily attach a baby seat to this footbike; bringing children to kindergarten will be a child's play! The Czech-made footbike Kostka Twenty Max (G6) is a perfect model for the whole family. The footbike’s weight capacity is 150 kg.

Once it grabs you it will never let you go...

The new handlebars Kostka FBH 680-160 St (designed especially for footbiking!) will provide you the true comfort. The bar ends are adapted to the wrist and to natural grasp, thus your arms aren’t stressed more than necessary. Grips made from hardened foam damp vibrations while riding. The screws prevent slight turns.

The stem is not only an adornment...

The stem Kostka SK 2822 S, made by CNC milling from high tenacity aluminium alloy, is equipped with a unique mechanism allowing a quick installation of all the accessories, such as bags, dog leash holder etc.

The construction has been optimized and thus it is very light. We used the A-head type of headset which allows to set in the gear without play. It’s also dust-proof and waterproof. The height of the handlebars can be easily adjusted by changing the spacing rings or by using the handlebars with higher or lower offset - so it can be adapted to your needs.

Hubs with no defects nor deficiencies..

The design of the KOSTKA hubs themselves has been developed regarding their high functionality and easy maintenance. The innovative mechanism of the low-friction industrial bearings enables the exact play delimitation - thus no complicated hub adjustment is necessary. Simple hub tail removal allows an easy maintenance. We used a high tenacity aluminium alloy for making this hub type. The stainless direct wire spokes made by Sapim provide a great stiffness.

The elegant curves provide a perfect driveability...

You will get to like the footbike KOSTKA TWENTY MAX (G6) thanks to the precise controllability and stability, even at high speed. The 6th-generation frame with increased stiffness by up to 43% is based on this proven construction; it provides perfect driveability and an extraordinary riding experience you’ll never forget.

The “drop-shaped” main frame profile is very aerodynamic - so it was designed and now it’s an integral part of footbikes’ typical appearance. The special profile is newly reinforced with a welding. The main elements of the new-generation frame are the enhanced rider space or the optimized stiffness and the elegant shape of the construction.

It shows its figure without any diffidence...

An integrated hole for the stand has also been included in the construction. Also, the front stiffener with special welding for greater stiffness and higher resistance while hitting the uneven terrain are the part of the standard characteristics today. We are truly proud of it. We designed both frame and front fork of this footbike (supported by the 65mm wheel hub) a bit narrower in order to make the footbike comfier for you. This construction (together with the embedded rear wheel axle) prevents the pushing leg from touching the footbike and thus makes your ride more comfortable. The stainless adhesive elements on the upper side of the deck prolong the deck lifespan and it improves effect the slip-resistant elements. This unique technical solution protects the rider and it prevents the unwanted slipping of the standing leg.

It’s completely safe and it won’t hurt you..

The high-quality brakes Shimano 4000 with double-walled rims and reinforced wall and with machined brake surface provide the maximum safety and a precise deceleration effect. The ergonomic brake levers are very comfortable.

The tires Marathon Racer made by Schwalbe are the lightest tires in their category. A special rubber layer reinforced with a double nylon membrane provides protection against any defect. The natural rubber SpeedGrip mix provides a perfect driveability with minimal rolling resistance. The tires are equipped with a reflective stripe on the lateral side and they can be inflated to high pressure. For this footbike, we chose specific tires for a good reason - it is one of the main aspects ensuring a comfortable and easy ride without any additional efforts.

The most important thing is the pushing! But what about the lifting it up a little bit?

The rear heel stop is an innovation you will appreciate for sure. This stop has been made by milling from high tenacity aluminium alloy. You can make use of it while pushing, lifting up the footbike or while riding over an obstacle, e.g. kerbs. The shape has been optimized for all kinds of shoesb. The stop can be replaced by another type or it can be removed. This new feature provides extended stepping surface and enhanced rider space; so, the pushing and changing the pushing legs will be slightly easier again.

Let you amaze...

by its outstanding details! The luxurious appearance of this footbike is provided by the stainless-steel labels or the laser-engraving on the components.

The safety reflectors placed at several spots will increase the safety features of the footbike. All of this has been reached through the honest work in our workshop. So, are you ready to move off? We ARE!

Properties radar

TerrainCityRoadAdultsChildrenWalking012345JS chart by amCharts

Basic specifications

Height980 mm
Length1565 mm
Weight8,9 kg
Loading capacity of frame150 kg
Front wheel size20"
Rear wheel size20"
Clearance Height of Footboard50 mm
Footboard Length440 mm
Wheelbase1080 mm
Handlebar width680 mm


BrakesShimano 4000
TiresSchwalbe Marathon Racer
RimsDouble wall - DRAGON
StemKOSTKA SK 2822 S
HandlebarsKOSTKA FBH 680-190 St
Front forkRigid 20" - 65 mm
Bearings (Hubs)Industrial
Handlebar GripsHardened foam - locking
SpokesStainless steel - black
CapsPlastic reflex

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