Straddle |
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Cable |
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Brake |
| Brake Cable | |
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| Straddle Hanger | |
Pinch Bolt |
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| Straddle Cable | |
| 90o |
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| Cable | |
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| Anchor | |
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| Caliper Arm | |
Pivot |
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| Outer | Brake | |
| Cable | ||
| Cable | ||
| Boot | ||
| Lead | ||
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Brake |
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Noodle |
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| Anchor | |
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| Bolt | |
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| Brake | |
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| Arm | |
Pivot |
| Tension | |
Bolt | Brake | ||
Screw | |||
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| Shoe |
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Cantilever Brakes - Utilizing a Straddle Cable |
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The length of the straddle cable, the height of the straddle hanger, |
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and the brake |
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ing power. Generally, the straddle cable bridge is set low and close |
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to the tire for maximum braking force. The straddle cable should be |
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high enough, however, to adequately clear the tire (and any debris |
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that may stick to the tire) or to fit over the front reflector hanger. In the |
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event of brake cable failure, the front reflector hanger would prevent |
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the straddle cable from catching in the tire and locking up the front |
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wheel. The straddle cable length (when adjustable) is set to transfer |
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as much force to the brake pads as possible. For the most efficient |
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transfer of force, the straddle cable and the line between the cantilever |
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pivot and the cable anchor should form a right angle (90 degrees). If |
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the force is not at a right angle, part of the force gets wasted in pulling |
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on the brake post, which has no effect on braking. |
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If not already assembled, take the brake noodle from the parts box |
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and slide the cable through the larger opening. The cable housing |
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will then seat into the end of the noodle. Slide the cable through the |
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cable lead on the end of the left brake arm, this will cause the noodle |
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to fit into the lead. Slip the brake cable boot over the cable and posi- |
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tion it between both brake arms. Next, loosen the 5mm anchor bolt |
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at the end of the right brake arm and slide the cable under the retain- |
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ing washer. Pull the slack out of the cable making sure a distance of |
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39mm or more remains between the end of the lead and the start of |
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the anchor bolt. Once the cable is secured to the brake arms, engage |
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the brake lever several times, checking the position of the brake |
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shoes at the rim. The brake shoes should be 1mm away from the |
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rim when in a relaxed position. When the brake lever is engaged, the |
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brake shoe should hit the rim flush (never the tire) with the front brake |
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pad touching the rim slightly before the rear. This is called |
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your brake shoe. If this position is not achieved, adjustments to the |
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brake shoe are required. Loosen the brake shoe hardware and reposi- |
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tion the brake shoe. It may take several shoe and cable adjustments |
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before the required position is accomplished. | 32 |
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