SHIMANO DURA ACE Di2 7970 ELECTONIC GROUP COMPLETE BUILD KIT 175 53/39 GRUPPO

Shimano Dura Ace ST 7970 shifter set. Shimano Dura Ace SM BB 7900 Italian threaded bottom bracket. Shimano Dura Ace FC 7900 175 130 BCD 53/39 Crank set. Shimano Dura Ace RD-7970 rear derailleur. Shimano Dura Ace FD-7970 front derailleur braze on.

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