The use of final drive from the forward BB is I believe intended to keep the effective angle of the chain in relation to the sprockets as shallow as possible, helping the derailleur shift evenly under heavy load while keeping the rear triangle compact and strong.
Point hardly needs making but Rene Herse = automatic bike porn.
The use of final drive from the forward BB is I believe intended to keep the effective angle of the chain in relation to the sprockets as shallow as possible, helping the derailleur shift evenly under heavy load while keeping the rear triangle compact and strong.
Point hardly needs making but Rene Herse = automatic bike porn.