![]() ![]() literally all professional riders use stock frames to race this day, with a focus of bicycle With the modern stem and seatpost, it is possible to fit 99 percent of the population on 4 - 5 sizes. Stems used to come in -17 degrees, but now have the capability to come in many different angles and lengths. Modern seatposts now come with 0 - 35mm setback, and up to 400mm in length. In the old days seatposts only came in 200mm lengths, with 20mm Where variations in frames have decreased, the variation within components has increased to pick up the lost customizability of frames. This marketing and inconsistent labeling has caused many headaches with A new 51cm semi sloping top tube frame, is in fact the same as a 54cm horizontal top tube frame. And to make matters worse, two frames, with the same frame size, may have completelyĭifferent geometry. Meaning that today, people will tend to fall between two sizes of frames, rather than finding the perfect one. Unlike back in the day when a frame builder would have frames that ranged from 48 to 62 cm, providing 15 different stock sizes. Of bicycle frames, often build frames in 4 to 5 sizes, usually with a sloping top tube, to accommodate to the majority of the population while keeping manufacturing costs low, allowing a person toĬustomise their size further by using various seat posts and stems. Sport institution rider who would train with a GPS computer, heart rate monitor and power meter, but didn't have a clue on how to oil his chain. Bike shops hire people who know how to use a barcode scanner to sell bikes, but don't even know how to replace an inner tube. In todays modern society, specialisation has become a trend. Then that person would be able to finalise and tweak their position by themselves, or with the help of a fellow cyclist and coach.Ĭhampions back in the day went through the same fine tuning process. The user to do the fine tuning themselves.Įxample: An english tailor is able to eye the appropriate sized piece of clothing for you, an experienced shop owner, would look at a 6 foot person, and determine that a good starting point would beĪ 57cm sized frame. They would sell the correct sized bicycle, based on experience, and make a quick initial adjustment for their customer, then allow Back then good old bike shops were operated and owned by experiencedĬycling enthusiasts, rather than todays money oriented businessmen. The mid 80’s there were no official bike fitters, that used a specific system to determine the perfect fit for a human being. Three variables eventually cause an outcome of infinity by the power of 3. The infinitely evolving central nervous system. The infinitely complex functional capabilities of the body The infinitely variable relationship between the body and the bicycle. People consider bicycle fitting to be a mysterious topic, due to the infinitely variable factors that can influence how a person is able to sit on a bicycle.
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