Training FAQ > Cycling > Should I use 650c or 700c wheels?
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Both wheel sizes have advantages and disadvantages. 650c wheels accelerate and climb faster, but they also decelerate faster. 700c wheels are more comfortable and are more readily available if you need a tube on the road.
The only people who should be really concerned about wheels sizes are particularly short or tall people. 650c wheels work much better with shorter people, especially on triathlon bikes where the geometry prevents the use of 700c wheels on smaller bikes. Tall riders should stick to 700c wheels.
Last updated on May 3, 2007 by David Ardley