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  1. #1
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    Installing STI shifters on a carbon bar

    I have a new set of Specialized S-Works carbon handlebars that I want to install a new set of Shimano STI shifter/brakes on. The bar instructions say to remove the clamps on the shifters to install them onto the bar and them install the shifters back onto the clamps. This makes sense to avoid any damage to the bar.

    My question: I've looked at the diagram for the shifters, and it looks like it's okay to comletely remove the clamping bolt. I assume this will let the clamp release from the shifter body.

    Does this sound ok?

    I also assume that the bolt nut will not fall out of position when this is done, thereby making reattachment a pain.

    Thanks for the collective expertise of the group. I'm nearly finished with my first ever build:

    - Specialized Allez Comp steel frame (started with an Airborne Thunderbolt, but came across this nice steel frame at my LBS on Wednesday)
    - Ultegra triple group
    - Chris King NoThreadSet
    - Trek CRZ+ saddle
    - Thomson seatpost
    - Mavic CPX-33 wheels w/ Michelin Carbon tires
    - Specialized S-Works handlbar
    - Shimano A520 SPD road pedals

    - Jim

  2. #2
    Senior Member sydney's Avatar
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    Quote Originally Posted by jaldridge
    I have a new set of Specialized S-Works carbon handlebars that I want to install a new set of Shimano STI shifter/brakes on. The bar instructions say to remove the clamps on the shifters to install them onto the bar and them install the shifters back onto the clamps. This makes sense to avoid any damage to the bar.

    My question: I've looked at the diagram for the shifters, and it looks like it's okay to comletely remove the clamping bolt. I assume this will let the clamp release from the shifter body.

    Does this sound ok?

    I also assume that the bolt nut will not fall out of position when this is done, thereby making reattachment a pain.

    Thanks for the collective expertise of the group. I'm nearly finished with my first ever build:

    - Specialized Allez Comp steel frame (started with an Airborne Thunderbolt, but came across this nice steel frame at my LBS on Wednesday)
    - Ultegra triple group
    - Chris King NoThreadSet
    - Trek CRZ+ saddle
    - Thomson seatpost
    - Mavic CPX-33 wheels w/ Michelin Carbon tires
    - Specialized S-Works handlbar
    - Shimano A520 SPD road pedals

    - Jim
    You got it.

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