Step 4 : Install quick-release strings from the side without brake discs, inserting the quick-release skewer through the hub, and then replacing the
second cone spring on the other side. Ensure both springs are pointed narrow-side-in towards the wheel hub.
Step 5 : Tighten the thumb nut until the quick-release lever is held in line with the axle, and then use your palm of your hand to close the quick-release lever.
WARNING: Do not pull the brake lever without having either the red pad or the brake disc inserted, as this will damage the hydraulic brake caliper.
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