• Not as great as the oic above but I’ve just year upgraded to 6870 shifters and front mech having been on an 11 speed 6770 combo.
    Here are a couple of pics of my sprinter and climber button hack. Cut a sd-50 cable in half to get 2 connectors. These wennt into the sprinter ports. Then with 2 momentary switches on each side connected by the spare sd-50 cable. I tried button switches last year on my etap but in the rain they shorted and the gear changed :(. Got some waterproof switches which are also really shallow and they work fine so have used the same on here.
    The bar tape needs some work. It’s Wiggle’s own brand and the first tine I’ve used ‘arf and ‘arf tape so it’s not a great wrap (down tome not the tape). I’ll use it for a month or so and if it’s any good replace and get the colour change in the right place. I might also get a different switch for the sprinter position. It’s a bit hidden.

  • Brilliant.

    When I did it for a customer, I used superglue to proof the whole wire system. Still works after a couple of years now. The Cateye switches are much sturdier as well.

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