Introduction

Brakes slow your bike down when you pull on the brake lever on the handlebar. The brake calipers are connected to the brake levers by a cable that squeezes the brake-pads that are attached to the brake calipers. When the brake pads contact the rims they slow down the rim of the wheel, slowing down the bike.

Parts

No parts required.

Squeeze the calipers together, and remove the brake cable. Squeeze the calipers together, and remove the brake cable. Squeeze the calipers together, and remove the brake cable.
  • Squeeze the calipers together, and remove the brake cable.

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Loosen the break caliper bolt, and remove the brake caliper. Loosen the break caliper bolt, and remove the brake caliper. Loosen the break caliper bolt, and remove the brake caliper.
  • Loosen the break caliper bolt, and remove the brake caliper.

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Inspect the brake pad. If the pad has worn down past the “wear line”, then it needs to be replaced. Inspect the brake pad. If the pad has worn down past the “wear line”, then it needs to be replaced.
  • Inspect the brake pad. If the pad has worn down past the “wear line”, then it needs to be replaced.

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Clean and lubricate the parts as necessary before reattaching the caliper arms. Bolt the caliper arms back on while making sure the the pin on the back side of the caliper arm lines back up with the one of the holes in the frame. Each side should be in the same hole. Bolt the caliper arms back on while making sure the the pin on the back side of the caliper arm lines back up with the one of the holes in the frame. Each side should be in the same hole.
  • Clean and lubricate the parts as necessary before reattaching the caliper arms.

  • Bolt the caliper arms back on while making sure the the pin on the back side of the caliper arm lines back up with the one of the holes in the frame. Each side should be in the same hole.

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Reattach the brake cable to the calipers. Reattach the brake cable to the calipers.
  • Reattach the brake cable to the calipers.

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Loosen the brake pad bolt. Loosen the brake pad bolt.
  • Loosen the brake pad bolt.

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Get an ordinary piece of paper, and fold it twice over. Place the sheet of paper between the brake pad and the rim in the position shown.
  • Get an ordinary piece of paper, and fold it twice over.

  • Place the sheet of paper between the brake pad and the rim in the position shown.

What's the reason of doing this? Is it to keep 1 or 2 mm gap between the pad and rim or to 'toe-in' the break bad?

Seamuzzaman Nahid - Reply

Align the brake pad so that it is flush with the rim, with no part touching the rubber of the tire. Have somebody clamp down very tightly on the brakes. Tighten the brake pad bolt in place.
  • Align the brake pad so that it is flush with the rim, with no part touching the rubber of the tire.

  • Have somebody clamp down very tightly on the brakes.

  • Tighten the brake pad bolt in place.

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Tighten/loosen the tension adjustment screws on each the caliper arm to adjust the resting distance of each brake pad, so that each pad is equally distant from the rim. Tightening the screw will shift the caliper outward from the bike, loosening it will shift it inward. Tighten/loosen the brake adjuster on the handle bars such that when you clamp down on the brakes, the brake lever stops before hitting the handle bar. This will set the distance between the brake pads and the rim. Tighten the lock nut on the brake adjuster to permanently set its position.
  • Tighten/loosen the tension adjustment screws on each the caliper arm to adjust the resting distance of each brake pad, so that each pad is equally distant from the rim. Tightening the screw will shift the caliper outward from the bike, loosening it will shift it inward.

  • Tighten/loosen the brake adjuster on the handle bars such that when you clamp down on the brakes, the brake lever stops before hitting the handle bar. This will set the distance between the brake pads and the rim.

  • Tighten the lock nut on the brake adjuster to permanently set its position.

Very good!,Was wondering about some small details . This clered it out. Thx

Tim Brumen - Reply

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