replacement 170 mm crankset

neil11
neil11 Posts: 3
edited November 2011 in MTB general
hi
i am thinking of replacing my crankset and have been offered a 170mm xtr crankset i currently have a lx deore 175mm will i notice the 5mm difference when riding.
I am approx 5ft 9 in height.

many thanks
neil

Comments

  • nicklouse
    nicklouse Posts: 50,675
    maybe maybe not. you will get a little less leverage.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • neil11
    neil11 Posts: 3
    thanks
  • neil_sheehan2000
    neil_sheehan2000 Posts: 529
    I read 'Bicycle Design' by Mike Burrows a while back (used to design bikes for Giant, and Chris Boardman's 'Lotus' bike, amongst other stuff). He has some counter-intuitively odd ideas, amongst which is the argument that you should have cranks around 120- 150mm. Can't remember the reasoning behind it though- something to do with achieving a higher rev count, as well as more ground clearance and it not being any worse for your body- possibly better for you. Of course, if you have super short cranks then you should have smaller chainrings too...

    Anyway, I think what I'm trying to say is you may notice it, but you might find it better. And it is only 5mm so I imagine you'll get used to the new ones pretty quickly anyway.
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