Charging your Retrofit System

Check your Charger This is a 36 Volt Charger. Please read the enclosed instruction provided in english and german. Check the connection ends.  Before charging it is always good to check the connection ends to make sure they are ready for connection. Plug the battery charger in. The plug will fit any standard wall socket and can accept a max. of 240 volts. Check the light. Turn on the charger at the rocker switch on the side.  And check for…

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Instruction for Building a Concrete Table

Concreet Table A flat table is key to building straight frames. Melamine chip board is fine for awhile but it will eventually warp, especially if left outside. Build a long lasting, warp-proof flat table out of reinforced concrete with a poured epoxy surface. Find a mostly flat floor to work on. Lay down a strong plastic sheet (Visqueen) that's at least 4 mils thick. Continue to instructions

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Bamboo Splitting

Causes, Prevention and Fixes Causes: Splitting of bamboo is caused mainly by rapid changes in moisture content of the bamboo. This can be caused by rapid changes in relative humidity of the atmosphere, or the bamboo being dried unevenly, or getting soaked and then drying out too quickly. Some bamboo species are more prone to splitting than others. And thinner walled bamboo is more susceptible to splitting. Lastly, the septums of the bamboo (those little walls at each node) can…

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More about Bamboo Bikes

It's all about the Bamboo We offer our bamboo bicycle frames in all frame styles and geometries. We enjoy this flexibility as we do not use forms or molds to join the bamboo tubes. As a result, there is no imposed constraint. We are able to miter and join the bamboo tubing at any angle to support complete personalization of the product. While they have long been popular with enthusiastic racers and endurance road riders, owing to our bamboo’s amazing…

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Geometry of Bike Handling

How bike geometry measurements affect stability : Rake and Trail: Bike Fork Rake explained - this is also known as Offset, which more accurately describes what it is: the hub’s offset from the steering axis. Not to be confused with the curvature of the fork blades, which some people think of as “rake”. Straight blade forks can have plenty of offset. Fork offset determines trail when considered with head angle (and the diameter of the wheel). Trail is best thought…

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Frame Measurement Terminology

Standard frame measurement terms ST: Seat Tube: Measured from the center of the bottom bracket along the center to a point near the seat post binder. The exact location of this point may vary between manufacturers depending on the frame design. The main purpose of this would be as a reference point and, if located at the seat binder, would indicate whether your favorite seat post would be clamped above the minimum insertion line. TT: Top Tube: Measured from the…

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