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  • Most cheap di2 compatible bars have external cabling for the brakes.

    These look good for £89 (using the New User Code)

    https://tinyurl.com/Primecarbon

    Put the junction box in the left hand bar end. Run a cable from right shifter into right bar end hole all the way through the bars and into the bar end junction on the left side. Then run di2 cable from bar end junction up to left shifter and then left shifter into the frame shrink wrapped with the brake line.

  • They look good for the price. Only concerns are the slightly longer reach than I was hoping, and those wide aero tops don't look like a great place to put your hands when climbing. Any experiences of riding on the tops with aero bars?

    In other news, the wheels came yesterday so need to get my act together and choose some parts.

  • Sorry link updated, it was the non aero model I was trying to link to...

    https://tinyurl.com/Primecarbon

  • I quite like riding on the tops with wider bars. If you just rest your hands on top of them, rather than gripping the bars, it can be quite relaxed for climbing.

  • I have the Pro Vibe Aero bars on my Talbot - they were the only bars I could find (at the time at least anyway) that were actually designed to be used with the bar end junction box, and enabled full internal cable routing without having to drill any holes, or have weird routing that goes out and then back in the bars on the bottom of the drops for some bizarre reason. May be more options available now.

    Wiring everything up internally was a bit of a PITA, but once it’s done, it’s done, and worth the hassle to lose the ugly under stem junction box. The brake cable routing is internal too, so if you shrink wrap the di2 cable to the brake cable, it looks super tidy. The hole for Di2 cable on my frame is on the headtube, but if the Di2 cable port on your frame is right next to the brake cable port, you’ll hardly see the Di2 cable at all.

    And re: aero - I prefer aero bars on long climbs TBH.... I find the flat tops much nicer to gently rest your palms on.... I find the flat tops more comfortable in most situations.... It’s deffo a comfort thing for me, and nothing to do with the ‘aero’ aspect.

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