Hi i don't think it will fit then as thought 105 was octalink 2 dura ace/ultegra/XTR was the same as many used the XTR one for there road bike triples as in between the road sizes (xtr 112.5/116mm) dura 109.5?/118mm.
Have a look at splines if all the same xtr/dura/ult fits if has a few wider gaps it's octalink 2 which xt and lower is the same.if that makes sense?.
right just checked it is octalink v1 so is the same as dura ace etc
but what axle length you after? you might just struggle to find the sealed ones though? something i remember along the lines of wooden horses and poo?lol
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