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Why 650C? - Find out here

Why 650C? - Find out here When we wanted some advice about what geometry the new XS and XXS Stealth frames should have we went to triathlon bike fit guru and inventor of the tri specific bike Dan Empfield. Here's what Dan has to say about tri bikes for smaller riders..... There are two overwhelming problems smaller riders face. First, it's hard to get the aero bars low enough relative to the height of the saddle. This problem becomes greater as the rider's position becomes more aggressive, that is, as the rider chooses a steeper seat angle and a lower amount of armrest drop. This problem is considerably worse for triathletes than for road racers, because the bars must be lower for time trial positions, and the aero bars and their armrests sit on top of road or pursuit bars, raising the elevation of the handlebar yet further. The second problem is the length of these bikes. It's typical for smaller riders to need short "cockpits," only to have a hard time finding them, because shortening these bikes causes shoe overlap (the back of the front wheel intersects with the rider's shoe when the crank is in its forwardmost position; while a little overlap might be okay, the problem can become quite severe). The culprit in both these cases is the size of the front wheel. The easiest solution to both problems is to replace the standard 700c wheel with a smaller 650c wheel. This issue of 700c versus 650c has reached religious proportions in triathlon, but when you take the religion out of it and simply consider it as a practical matter, tri bikes almost have to be made with 650c wheels in sizes below 50cm if the bike is to be taken seriously. Taken from For more details of the 650C Stealth builds, take a look HERE To arrange a fitting or for advice about sizing EMAIL ME

7 June 2007