StepTwin® Bike is a universal folding Bionic bike. He can be used as the regular bicycle: for trips around the city, for work, cyclings, etc. It is possible to use for various pieces of training as the cycle stepper. It is possible to use for the rehabilitation of muscles and joints.

StepTwin® Bike has a unique dual independent rear wheel drive. Through the unique drive no circular motion, the movements of legs of the cyclist same, as well as at usual walking, natural.

StepTwin® String Drive uses fibers and aluminum pulleys drive system instead of a traditional chain.

The string drive does not require maintenance and is totally silent. Chain drive has a greater resource.

The world's strongest fiber - Dyneema®. It is made from Ultra High Molecular Weight Polyethylene with HDPE coated, resistant to sunshine, UV-radiation, and rain.

2000 - 3000 km, depending on the loads in the process of cycling.

You can ride a StepTwin® Bike on the second separate drive. Or replace the string fiber, it takes 5 minutes. No tool required, no need to remove the rear wheel, or other parts.

The two spare string fibers are provided and come with instruction to install.

StepTwin® Bike has no dead points, unlike the regular bicycle, and doesn't overload joints. Two independent drives provide complete freedom of the movement by legs.

The main difference is that you can press pedals on StepTwin® Bike any leg and in any sequence: two legs at the same time, two legs separately, only one leg. Besides, it is possible to control the effort made by each leg.

Two independent wheel drives allow the cyclist to control effort which he makes separately on the right leg and separately on the left leg. For example, on StepTwin® Bike it is possible to move, pressing a pedal only one leg. The second leg can be in a condition of a relax at this time or press a pedal with the minimum loading.

The StepTwin® Bike is designed to carry a maximum load of 120 kg, the equivalent of 264 lbs or 18.9 UK stone. 

StepTwin® Bike S1 weight about 9.3 kg / 20.5 lbs. StepTwin® Bike A1 weight about 7.8 kg / 17.2 lbs. lbs. StepTwin® Bike T1 weight about 7.0 kg / 15.4 lbs.

The StepTwin® Bike is designed to be one size fits all, because it is highly adjustable. The seat ride height and front handle can be adjusted based on your build.

The StepTwin® Bike can comfortably accommodate riders from 130 сm to 210 cm (4'3" to 6'10") thanks to its adjustable seat post and front handle.

StepTwin® Bike has five speeds on the left and five speeds on the right are absolutely independent of each other.

We ship worldwide, with the except for Saudi Arabia, Peru, Ecuador, Iran, Iraq, Lebanon, Libya, Somalia, Sudan, North Korea, Syria, Yemen. Please note that we cannot ship to military locations.

The price does not include the shipping charge. Shipping is set to $79 due to the fact that we ship worldwide directly from the factory in Asia.

Import duty tax or VAT may need to be paid if your country requires it.

The StepTwin® Bike is delivered folded and almost fully assembled. An easy-to-follow assembly guide is included.

All StepTwin® Bikes come with a 2-year international warranty. But wearable items such as brakes and tires are not covered by the warranty. Most local bike shops can repair these since the StepTwin® Bike is based on many standard bike parts.

The StepTwin® Bike is designed to be simple enough for anyone to replace parts on their own. We will provide documentation and video of possible replacement processes.

We are open to distributors worldwide once our crowdfunding campaign ends.