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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Brake Shoes and Linings
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<blockquote data-quote="davidd" data-source="post: 96059" data-attributes="member: 1177"><p>Bill,</p><p></p><p>Thank you for the Ferotec cite. It is available in the U.S., but I was not sure where else it was available. The D3290/D3291 is an excellent lining. I think it is valuable to be able to ask at your brake shop what is available and have a few choices of linings that they may be able to offer.</p><p></p><p>One of the valuable things you can find in modern linings like the ones I am testing and the Ferotec is that they do not fade easily. These linings start out cold with a lot of friction and when they get hot they get better, not worse. High fade was always a problem with older high friction linings. It is still something to keep in mind with poor cooling drum brakes, but I think these new compounds are a real improvement.</p><p></p><p>The Ferotec linings have a friction code (often called "edge code") of "GG." The letters go up with the friction, so an "FF" would have less bite. The first letter is the cold rating and the second letter a hot rating. If you had a "GF" rating it would indicate that the brake has some loss of grip when hot, but that is still a very good rating. The rating stops at "H", which is everything over .55. The linings I am testing are "HH."</p><p></p><p>The Green Gripper has been well received by those using it over here, but the Ferotec does a little better in the fade area. The fact that it is readily available and you have used it for a few years is great news.</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 96059, member: 1177"] Bill, Thank you for the Ferotec cite. It is available in the U.S., but I was not sure where else it was available. The D3290/D3291 is an excellent lining. I think it is valuable to be able to ask at your brake shop what is available and have a few choices of linings that they may be able to offer. One of the valuable things you can find in modern linings like the ones I am testing and the Ferotec is that they do not fade easily. These linings start out cold with a lot of friction and when they get hot they get better, not worse. High fade was always a problem with older high friction linings. It is still something to keep in mind with poor cooling drum brakes, but I think these new compounds are a real improvement. The Ferotec linings have a friction code (often called "edge code") of "GG." The letters go up with the friction, so an "FF" would have less bite. The first letter is the cold rating and the second letter a hot rating. If you had a "GF" rating it would indicate that the brake has some loss of grip when hot, but that is still a very good rating. The rating stops at "H", which is everything over .55. The linings I am testing are "HH." The Green Gripper has been well received by those using it over here, but the Ferotec does a little better in the fade area. The fact that it is readily available and you have used it for a few years is great news. David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Brake Shoes and Linings
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