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We build custom bike frames out of Potsdam, Germany, and also offer a frame building course where you can learn how to build your own frame.
Big Forest Frameworks offers custom handmade frames from the highest quality steel Reynolds and Columbus have to offer. With an emphasis on simplicity and beauty, and a taste for detail and design, a hand made frame from Big Forest Frameworks is something you will be enjoying for many years to come. The lightweight tube sets from Reynolds and Columbus, combined with the right bike fit for your body and riding style, allow us to produce frames that are not only lightweight, but also durable and feel great on the road or trail.
Dreaming of building your own frame? I can show you how. Sign up for one of our frame building courses and I can help your dreams to become reality. Don't think you can do it? You can. Never held a torch in your hand before? No problem. Tired of sitting in front of the computer all day and want to do something with your hands? So were we. You can do it, and it doesn't matter if you don't have any experience in the workshop. Since Big Forest Frameworks started offering frame building courses, many people just like you have already built their own frames and are enjoying riding them.
Handmade in Potsdam, Germany.
A short video about how Big Forest Frameworks got started, and the bikes we are building.
Build Your Own Frame
Build your dream bike yourself! We work together one on one to build your dream bike. We start with your ideas, the small details that you always wanted to have on your frame. We measure your body and your current bike to fine tune the geometry so that your new frame finally fits the way you want it to, and choose the tube set to give your frame the ride qualities that you choose. After a bit of practice with mitering tubes and brazing them together we can get to work. With every miter and each time you take the torch in your hand you’ll see the frame you’ve been dreaming about slowly become a reality. I can honestly tell you that it is a great experience to ride the frame that you built with your own hands for the first time!
A few words about my frame building courses… I generally recommend to first build a lugged frame (Lugged Fixie, Road, or Trekking Bike, see below). Building a frame with lugs is easier, goes much faster than without lugs, and brazing lugs is much easier than without lugs (fillet brazing). But, you can also build a lugless frame as your first frame, it just takes more time (I offer two courses, Mountain Bike or Road Bike). If you have the time and money, I recommend the Master Frame Building Course, in which we first build a lugged frame, and then a lugless frame in 10 days. This is really a great introduction into frame building, especially if you think you might continue building frames after the course is over!
1. Because building your own frame is awesome! How many people do you know that actually built the frame they are riding? If you are sitting in front of the computer all day long wishing you were somewhere else, working with your hands and not only seeing what you built, but riding it, is a wonderful experience you will never forget.
2. I run my courses with a maximum of two students at once. This level of attention helps tremendously to increase what you can learn in a small amount of time, and improves the quality of the frame you can build.
3. Many people that attend one of our courses tell me that I am a great teacher. I think this is really important, and a reason why nearly everyone goes home not only with a frame they built themselves, but also with a smile on their face. I care that you learn as much as you can and that your frame turns out as well as it can.
4. Some frame building courses focus more on theory, and your tubes actually come pre-cut. We believe that mitering tubes and brazing are at the heart of what frame building is all about. In our course, under our supervision, you build and braze the entire frame yourself, mitering every single tube.
5. Hard to believe, but two bikes from my frame building course were actually choosen as 'Bike der Woche' at mtb-news.de. A 29+ from Roman and another MTB from INOX. Amazing stuff and we are super proud of the bikes these guys built!
6. Many people that attend one of my courses hope to continue to build frames in the future. I have a small workshop and no large machines. If you don't have 50,000 Euro to get your workshop up and running, you will find it extremely valuable to see how it can be done on a modest budget, but still produce professional results.
Here are three of our most popular frame building courses and how they compare. There are many more below if you don't see what you are looking for!
Multi Week/Multi Frame, Single Frame, Fork, and Partial Courses
Master Course Dream Ride Lugged Mountain Bike - We build three frames together over three weeks. I recommend to first build a lugged frame, then a normal filled brazed frame, and finally the third frame will be custom lugged mountain bike, with lugs that you will fillet braze yourself. Lugged mountain bikes are really something special, and you will be very happy when yours is finished! Check one out here. 15 days, 3500 Euro + material cost
Master Frame Building Course - We build two frames together over 10 Days. I recommend to first build a lugged frame, and then a normal fillet brazed frame (any kind). This is a really great course for people that are interested in continuing to build frames on their own after the course is over. You will be much more confident and faster when you start the second fillet brazed frame than if it was your first frame. By building two frames what you learn will with stay with you longer through repetition, than if you only build a single frame. 10 Tage, 2325 Euro + material cost
Rigid Fork Frame Building Course - Build a rigid fork to fit your frame! This course is only available in combination with one of my other courses. 1 day, 1:1 225 Euro, not including material costs.
Fast Track Frame Building Course: We build the front triangle of your frame in 2 days, I finish the frame alone. 1025 Euro + Material Cost
Two Hour Frame Building Course: Stop by the workshop, cut your first tubes, give fillet brazing a test drive. It will definitely be fun and you'll have a better idea if a one week course is right for you. 50 Euro
Custom Lugged Mountain Bike Frame Building Course - You can't buy lugs four a mountain bike, so lugged mountain bikes are really something special. As a beginner, you can however build your own lugged mountain bike in one week. I will build the lugs beforehand, so when you arrive to start your course they are ready to go. At the end of the course you'll have a really special frame to build up! As a beginner this course is really a great way to build something special straight from the first frame. 5 Days, 1850 Euro, including Fork Building Course + material cost
Fillet Brazed (Lugless) Mountain Bike Frame Building Course - Build your own mountain bike without lugs. Frame building without lugs is somewhat more time intensive than with lugs. As a beginner you just need to have a bit of patience, but you can do it! No prior experience is necessary with brazing. Does not include a fork, but can be combined with my fork building class (add 175 Euro and 1 day)., or add a suspension or carbon fork as an option. up to 5 days, 1150 Euro + material cost.
Fillet Brazed (Lugless) Fixie, Road, or Trekking Bike Frame Building Course - Build your own fixie, road, or trekking bike without lugs. Frame building without lugs is somewhat more time intensive than with lugs. As a beginner you just need to have a bit of patience, but you can do it! No prior experience is necessary with brazing. Does not include a fork, but can be combined with my fork building class (add 175 Euro and 1 day), or add a suspension or carbon fork as an option. up to 5 Days, 1150 Euro + material costs.
Lugged Fixie, Road, or Trekking Bike Frame Building Course - Build your own fixie, road, or trekking bike with lugs. Frame building with lugs is a great way to build your first frame. Lugged frames take less time to build than lugless frames, and brazing with lugs is easier than without. No prior experience is necessary with brazing. Highly recommended for beginners!
This course is available in two different versions. The normal course runs 4 days for 8 hours a day, for 995 Euro + material cost. On the fifth day you can add a fork building course if you'd like to build a fork as well. The second version of the course runs 6 hours a day for 5 days, without the option to build a fork, and also costs 995 Euro + material cost. Some people appreciate the shorter days and more relaxed pace of this version of the course.
To book a course fill out the form above, or just send an e-mail to email@example.com!
Sorry for bothering you with pictures from my bike. I tested it today for the first time and it was fantastic. I usually do not tend to be super-enthusiastic and there were of course some minor issues (like getting the position of the saddle right etc) but this was by far the most convincing test-ride ever. Super stable, yet agile, very direct. I loved every second with it.Wolf Kanstantiener
nochmal vielen Dank für diese tolle Woche! Der Kurs hat mir viel Spaß gemacht und ich bin auch richtig stolz auf das Ergebnis. Ich finde, dass Du das klasse machst. Bist immer ruhig und gelassen geblieben, hast alles gut und verständlich erklärt und die Bastelei hat sich in keiner Sekunde wie "Arbeit" angefühlt oder war irgendwie langweilig :-) Olaf Kopp
Mein Rennrad bin ich heute das erstemal gefahren. Es ist suuuper! Alles perfekt. Es gab keine Probleme beim Aufbau, Kettenlinie perfekt, es fährt strichgerade und wiegt ohne Pegdale 7,8kg. Ich bin so stolz. Vielen Dank für alles. Raoul Heiler
Bicycles may change, but cycling is timeless.Zapata Espinoza
Ride as much or as little, or as long or as short as you feel. But ride.Eddy Merckx
A bicycle ride around the world begins with a single pedal stroke.Scott Stoll
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Big Forest Frameworks is located in Potsdam, Germany
Feel free to visit me in my workshop! But, I am not always there, so please contact me beforehand to arrange for an appointment.
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