Originally Posted by
canopus
I find sensitivity in my knees with 2.5mm of difference. All my bikes have 170's now except for my BMX/cruiser stuff. 165's might be coming sooner than I would like.
No shame in shorter cranks! I put 165's on my fixed-gear not long after building it (I think from Sheldon Brown's influence) and after that worked so nicely, more of my bikes have gotten 165mm cranks when I decided on new ones.