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Shimano dura ace 9070 di2 front derailleur braze on front derailleurs
shimano dura ace 9070 di2 front derailleur braze on front derailleurs
Shimano dura ace 9070 di2 front derailleur braze on front derailleurs
And with single wire e tube connection to the rest of the system the front derailleur is able to automatically trim itself as you shift the rear derailleur eliminating chain rub the all new 2013 dura ace group is the result of 40 years of development and innovation tested to the limit at the highest level of competition in road racing time trials and cyclo cross dura ace delivers concentration control and confidence with slick fast accurate performance that you can depend upon without d

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