I think he did it because DT shifting on the front does give you a very positive feel and probably can shift cleaner from the small to the big CR under power. Can't believe it was a weight thing.
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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