We are building a solution for
one-handed hydraulic braking on any bicycle!
We are Sophie (28) and Franz (22) and we love cycling. We each have one normally developed hand, and one ‘small’, not fully developed hand. With a team of mechanics and engineers, we are developing and building a solution for safe one-handed hydraulic braking. For the development, and to distribute our solution to as many people as possible, we ask for your support!
For each of us, cycling is one of the most important things in our lives: movement, empowerment, freedom. Cycling helps us be healthy mentally and physically, and for Franz, cycling has even become his profession. In short, for us, cycling is life. However, our passion is dangerous for us because we can only brake with one hand: we regularly put our lives at risk because our brakes do not work properly. This is the case for thousands of people! Whether as a recreational sport or mode of transportation, cycling is not as accessible as it should be. How many adults and children do not get on a bike in the first place because they are scared of not being able to brake safely? We want to change this!
After years of self-made interim solutions, abandoned races, unnecessary crashes, and ever-returning frustration, we have now taken initiative. We are building a brake doubler – in Italian: SDOPPIATORE!
Our brake doubler is meant to do two things. It will let us operate both the front and rear brakes with one single brake lever at the same time. And it will make the full braking power of the brake lever’s pump arrive at each of the two brakes, rather than simply dividing the power into two. This is why we call it brake doubler and not brake splitter.
We have already developed a prototype and are currently running tests. So far, all tests are carried out by Sophie on her private bike and at her personal risk. We have already put considerable money, time and nerves into the development of the brake doubler.
To continue the project and bring it to success, and to hopefully provide the Sdoppiatore to many other people, we now need your support!
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Since our earliest childhood, we have been cycling - to school, up and down mountains, across countries, on asphalt, gravel and trails, and even in world cup races! Since our earliest childhood, this has meant that we were braking our bikes with only one hand. For some brake systems we were able to build our own homemade solutions for braking both wheels with one brake lever. Sometimes we simply rode, rather recklessly, with only one brake.
By now, we use hydraulic disk brakes. This is necessary partly because they come with shifting systems that are easy to use with one hand. Above all, hydraulic disk brakes are simply the strongest and safest brakes currently available. Unfortunately, building a solution for our braking problem at home is absolutely impossible with hydraulic disk brakes. We know this because Sophie has tried. Over the years, solutions on the market or which we built with simple means have proven unreliable and dangerously weak.
This is why we are now constructing the Sdoppiatore, and we’re doing it properly. In cooperation with a team of passionate mechanics and engineers in and around Florence (Italy), for finally safe one-handed braking.
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Cycling is freedom. Neither of us has ever accepted limiting ourselves because of our hands. But this approach costs lots of energy. Being able to simply get on any bike and ride, without repeatedly having to worry about the bike’s brakes, is so far only a dream for us.
We want to be able to pursue our passion in safety, just like people with two normally developed hands. Most importantly, we want people with only one hand for braking to have it easier than we did. We want them to dare to ride a bike in the first place. We want to spare them and their friends and family our constant worries.
We want children, young people, and adults like us to have access to the incredible feeling of pushing those pedals and flying through the world. Of being free, being strong, and being able to accomplish anything. You can help us get there!
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We need the money that we hope to raise with this campaign to finance the development and production of the Sdoppiatore. We will use it primarily to cover the costs of material, and the working time of our development team. As Sophie’s bike has already suffered quite a bit in the process of dismounting and remounting its brakes dozens of times, the costs of repairing that damage will be covered by the money raised.
By the time the Sdoppiatore is safely working and can be produced on a larger scale, we wish to use all remaining money to let the world know that a solution for one-handed hydraulic braking exists, and distribute the device to anyone who might need it at the lowest possible cost.
A heartfelt thank you, first of all, to Mauro Scarpelli, Alessandro Maiani, and to all the others who have helped us. We also warmly thank those who want to support us with a donation for our project.
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