• Print out a (preferably) A3 exploded diagram from the Campagnolo website.

    There are also PDF guides on servicing.

    Once you understand the principle of operation (it's essentially just a barrel which is ratcheted which you push back and forth), then it's not too difficult.

    I stripped mine in degreaser and then used Weldtite Teflon grease, particularly around the G-springs.

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