Q: Do pro racers change frame sizes for different types of riding?
-Tim, who is looking to downsize
A: Maybe, but not likely. A racer who may regularly ride a large cross-country or trail bike might try to squeeze on to a medium or small frame for gravity events like dual-slalom and downhill. The idea is to get your center of gravity as low as possible in an event where pedaling is secondary to working with gravity. For events like Enduro racing, which requires both uphill and downhill chops, a racer will stick to his correct frame size and use a dropper post to get the weight down on descents.
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