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I don't know whether my mech (before I chucked it into the undergrowth) was high or low normal. Bog standard XT but what is normal?
I have replaced them before but LBS sorted it, this time its via internet.
low normal (rapid rise) = mech defaults to big chainring
top/high normal = mech defaults to small chainring
if you have those shimano dual control shifters/brakes, then you have to use low normal mechs with them, otherwise it's a personal preference thing I think. top normal is the traditional mech system. Presume the lbs will have previously just replaced like-for-like whatever was already on.
What Nana meant to say is mech defaults to big *sprocket*, or small *sprocket* - apart from that, all correct.
If you release the tension on the mech, does it move towards the smallest sprocket (normal) or biggest sprocket (rapid rise)?
As I remember the chain defaults to the smallest (outermost) sprocket and takes resistance to move to large (innermost) sprocket so does that make it low normal?
I did say I was numpty.
No that makes it top normal.
[i]does that make it low normal?[/i]
no, it's 'high normal' - or what most people call 'standard' (i.e. not Rapid Rise).
[edit] - wot he ^ sed.
That'll do me, thanks all