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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Rapide front brakes
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<blockquote data-quote="davidd" data-source="post: 123245" data-attributes="member: 1177"><p>Matty,</p><p></p><p>It turns out that it is more likely that your Girdraulics do not dip during braking because the fork seizes as you squeeze the brake lever. The new JE steering stem will allow the fork to dip because the new axle path does not cause the fork to seize. This is the same problem that occurs during the brake test video that causes the tire to squeal. As the brake is applied the fork seizes and eventually causes the tire to slip, which causes the squeal. Squealing tires generally indicate a reduction in tire grip or poor traction, not superior traction.</p><p></p><p>Many modern riders prefer the dip as they learned to ride with telescopic forks. </p><p></p><p>I suppose the tire in the video is underinflated to give a large contact patch. The manufacturer determines the pressure at which the tire is called "flat." The manufactures of large truck tires tend to choose 10% as the number. A tire with a recommended pressure of 100 lbs. is considered flat at 90 lbs. and will not be warrantied.</p><p></p><p>I still think it is a good thing to know what brake lining material you are using. Because Safetek is one of the largest sellers of ScanPac linings, I would guess you are using GGW (assuming the linings are green). I also think that these would work on steel or cast because the linings use aluminum oxide, which works well on both materials.</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 123245, member: 1177"] Matty, It turns out that it is more likely that your Girdraulics do not dip during braking because the fork seizes as you squeeze the brake lever. The new JE steering stem will allow the fork to dip because the new axle path does not cause the fork to seize. This is the same problem that occurs during the brake test video that causes the tire to squeal. As the brake is applied the fork seizes and eventually causes the tire to slip, which causes the squeal. Squealing tires generally indicate a reduction in tire grip or poor traction, not superior traction. Many modern riders prefer the dip as they learned to ride with telescopic forks. I suppose the tire in the video is underinflated to give a large contact patch. The manufacturer determines the pressure at which the tire is called "flat." The manufactures of large truck tires tend to choose 10% as the number. A tire with a recommended pressure of 100 lbs. is considered flat at 90 lbs. and will not be warrantied. I still think it is a good thing to know what brake lining material you are using. Because Safetek is one of the largest sellers of ScanPac linings, I would guess you are using GGW (assuming the linings are green). I also think that these would work on steel or cast because the linings use aluminum oxide, which works well on both materials. David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Rapide front brakes
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