Changing from 105 to Ultegra
Comments
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yeah it's lighter :PGiant Propel Advanced Pro 1 Disc 2020
Giant TCR Advanced SL 1 Disc 2020
Giant TCR Advanced 2 2020
Canyon Lux CF SL 7.0 2019
Canyon Spectral CF 7.0 2019
Canyon Speedmax CF 8.0 Di2 2020
Wattbike Atom V2
Garmin Edge 5300 -
I don't think there is much difference, assuming you are swapping from one to the other of the same year. The cable routing is difference on the newer versions but if your 105 is 5700 and you are moving to 6700 then should be no issues. The triple versions of the front mech are different in that there is a minimum tooth difference between the middle and outer rings which is more critical on the 6703 than on the 5703.I have only two things to say to that; Bo***cks0
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Isn't the new BB smaller than the old one? But should come with an adapter so you can use your old HT2 BB tool?0