Right, so I got a new fork with fancy PM mounts which is when I realise that my trusty old Marta SLs have IS calipers, oups. Both are for 160 mm disc front and rear. So am I right in assuming that I can only convert the front from PM to IS by going with a 180 mm rotor? I would hate to do that as my other bike and my wheelsets are set up for 160/160..
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Thread: PM to IS