Dave Sutton Posted September 17, 2011 Report Share Posted September 17, 2011 I ruined the threads on my crank arm so i need some new ones, i do like these so if i can get some the same it would be good, Also are these isis? or something else, im not quite sure Click here to see pic Quote Link to comment Share on other sites More sharing options...
Mark W Posted September 17, 2011 Report Share Posted September 17, 2011 Look like the Echo 6061 cranks: You can work out whether they're ISIS or square taper two easy ways - one is to look at the BB spindle where it start to go into the cranks. If it starts to go from round to having 4 flat edges, then it's square taper (you'll usually only be able to see a bit of this). If it does anything else, it's ISIS. Alternatively, you can take that crank bolt off with an 8mm allen key then look at the end of the spindle inside the crank. Again, square = square taper, a 'star' shaped = ISIS. Quote Link to comment Share on other sites More sharing options...
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