With two or three people, I usually try to organize it so that the guy in the front pulls for about 50 pedal revolutions and then gets off.
The whole thing about riding a paceline is being smooth, no accelerations and no decelerations.
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Il faut de l'audace, encore de l'audace, toujours de l'audace
1980 3Rensho-- 1975 Raleigh Sprite 3spd
1990s Raleigh M20 MTB--2007 Windsor Hour (track)
1988 Ducati 750 F1