Closeup Look at Shimano Dura-Ace Di2 9070 SM-BTR-2 Internal Battery!bikerumor.com The fine folks ove

Closeup Look at Shimano Dura-Ace Di2 9070 SM-BTR-2 Internal Battery!bikerumor.com The fine folks over at Race Pace Bicy­cles claim to have just put togeth­er one of the first bikes in the US with the new Shi­mano Dura-Ace Di2 9070 group, includ­ing the new inter­nal bat­tery. And they sent pics!Thus far, we real­ly haven’t p… -- source link

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