Bicycles Asked on October 30, 2021
What was the thinking behind having a bigger rear wheel on a TT bike back then?
The rear wheel is normal size (700), the front wheel is smaller (650). It was for aerodynamic reasons. By lowering the torso of the rider, the frontal surface of the rider became smaller.
The configuration appeared first in triathlon and was later banned by the UCI in road and track events. Both wheels must now be of identical size i.e. 700.
Answered by Carel on October 30, 2021
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