Originally Posted by fietsbob

they have used the 105 model name for decades, and changed the product, so that's inadequate , to be accurate,

you need to read the other numbers off the back of the arms..

I have an old set of square taper Dura Ace cranks , I put on my Bike Friday, they're ' FC 7410 '... for example.



yea LBS is a good idea, no need to buy tools you use once to take the old off, then nreed something else to put the new on..






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