Footbike Kostka Twenty Max G6 Fold

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Please note: KOSTKA TWENTY MAX G6 FOLD is available only  in Satin Grey colour. The photo gallery displays the footbike in black colour. The second picture (a frame detail) shows the colour available – Satin Grey.

Two times twenty inches with you at all times

The KOSTKA TWENTY MAX (G6) FOLD is a universal footbike that is also very popular with the fairer half of the footbiking populace due to its design where both wheels are the same size. It is not as large as the models with a larger front wheel (for example, the Kostka Tour), which is an advantage in many situations. At the same time, however, it provides the same amount of space for an adult rider, so your ride comfort is never compromised. The two identically sized wheels will support you in every situation, no matter whether you are riding on asphalt or if your path sometimes takes you along field or bush tracks.

In addition, the option of folding the footbike up is a bonus that you are sure to use in a wide variety of cases. Your KOSTKA TWENTY MAX (G6) FOLD will transform into a compact, flat package that will fit into so many tight places that an unfolded footbike simply cannot and all it takes just a few seconds without the need for any tools. In the boot of your car, in the lift, next to your desk at the office, in public transport …

A universal folding footbike

The typical “Kostka frame design” with its drop-like cross section in the main frame profile has undergone many years of development, thanks to which the sixth generation of the KOSTKA TWENTY MAX FOLD combines a high degree of rigidity with low weight and geometry that guarantees excellent handling. The KOSTKA TWENTY MAX (G6) FOLD will support you during fast descents, but will also be just as nimble during evasive manoeuvres at slow speeds. The deck clearance is sufficient for all surfaces, including paved field and forest tracks, but at the same time it is not so high as to tire you due to unnecessary squatting.

Every footbike requires the rider to kick to make it move, but we have done everything to ensure that the ride on the KOSTKA TWENTY MAX (G6) FOLD is as pleasant as possible without any of the rider’s energy being wasted. This is significantly assisted by the wheels fitted with fast, universal Schwalbe Marathon Racer trekking tyres. Moreover, they come with a double nylon membrane that provides protection against punctures. And, if you always carry a spare inner tube to be on the safe side, the KOSTKA TWENTY MAX (G6) FOLD gives you the advantage of only having to carry one, because both the wheels are the same size..

We have also optimised the height of the handlebars mounted in the telescopic stem and the handlebar’s shape and comfortable grips ensure a safe and comfortable hold, even during long trips. The handlebars can be tilted according to your needs and they can be height adjusted within an interval of 5 cm. The height of the handlebars means that you can also equip your footbike with a children’s seat and safely transport your child with you (in front of you).

Perfection in the details

The KOSTKA TWENTY MAX (G6) FOLD is made by Kostka and not by Rubik. This means it can be folded up with just two or three operations and in just a few seconds. The FOLD system secures the folding of the handlebars, while the SPIN system is in charge of rotating the frame about its axis. Just release the appropriate bolt and turn the handlebars in the stem and the main frame profile. If you want to make the package even smaller, you can simply remove the rear wheel. Once again, this does not require the use of any tools and it takes just a few seconds.

We also keep your safety in mind when developing our footbikes. The stainless steel components on the deck will reliably grip your sports footwear during any weather and what’s more… they simply look great. The bottom of the deck has been welded to protect and strengthen it. The connection of the deck to the main frame profile has been strengthened using specially designed “bracing”. The newly designed heel guards made of light aluminium alloy mean that you can slightly raise the heel of your standing leg when riding over large bumps. The pair of tried-and-tested Shimano 4000 V-brakes will safely and efficiently slow or stop the KOSTKA TWENTY MAX (G6) FOLD footbike in all situations.

We use hubs of our own production for the majority of our footbikes and the KOSTKA TWENTY MAX (G6) FOLD is no exception. The narrow 65mm hubs with Japanese industrial bearings and directly mounted radial spoke wires mean that the rear frame has a width of just 110 mm. The well-known footbike injury involving clipping one’s ankle on the rear fork is therefore reduced to the maximum extent. The wheels have light, yet strong dual-walled rims with a machined braking surface that contributes to the ride safety.

Please note: the stand is not included but highly recommended.

 

Height 980 mm
Length 1565 mm
Weight 8.9 kg
Loading capacity of frame 150 kg
Front wheel size 20″
Rear wheel size 20″
Clearance Height of Footboard 50 mm
Footboard Length 440 mm
Footboard Height 76 mm
Wheelbase 1080 mm
Handlebar width 680 mm
Length (folded with rear wheel) 1260 mm
Hight (folded with rear wheel) 730 mm
Length (folded without rear wheel) 1040 mm
Hight (folded without rear wheel) 730 mm
Width (folded) 220 mm
Brakes Shimano 4000
Hubs KOSTKA HK 6524 RS
Tires Schwalbe Marathon Racer
Rims Double wall – DRAGON
Stem KOSTKA SK 2822 S
Handlebars KOSTKA FBH 680-190 St
Front fork Rigid 20″ – 65mm
Bearings (Hubs) Industrial
Headset A-Head
Handlebar Grips Hardened foam
Spokes Stainless steel
Tubes Auto
Caps Plastic reflex

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