Not exactly what you are looking for Loic - but it looks an interesting read...
http://www.bromptonforum.net/t4606-le-pedalier-et-son-boitier-ameliorer-la-transmission-en-mono-plateau
@Rod_Munch started
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Not exactly what you are looking for Loic - but it looks an interesting read...
http://www.bromptonforum.net/t4606-le-pedalier-et-son-boitier-ameliorer-la-transmission-en-mono-plateau