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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Top End Speed
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<blockquote data-quote="davidd" data-source="post: 49983" data-attributes="member: 1177"><p>Gene,</p><p></p><p>The cheapest way to buy chain is what Max offered. Generally, you can find your favorite chain for sale from an on-line supplier and they will offer it in various lengths, with the price going up with the length. I try to buy my chain on sale and the length is usually 112 and I cut it down to what I need. Unfortunately, I am using a 20T counter shaft sprocket and I have moved my gear box slightly, so my figures may not be correct for you, but I hope one of the many Comet riders will speak up. I use 106 for 48T, 108 for 50T and 110 for 52T. I would not be surprised if this is the same for stock Comets.</p><p></p><p>If you do not want to cut your own chain, once you find out the length, I would call Coventry Spares if you do not have a local shop that you feel comfortable with. You can order a few spares, like cables and get a chain. Whomever you talk to (John, Susan or Tom) may know exactly the length you need.</p><p></p><p>I was hesitant to recommend the 50T, but I think it is a good choice for a Comet, particularly two up. It is much better for riding around town. </p><p></p><p>For anyone who cuts their own chain if you have a few old sprockets you can make a tool as below. I needed portability for racing, but the large aluminum sprocket was great for writing on. A useful tool for the forgetful. I start the chain from underneath in the center where it says "Start" and wind it clockwise back to the center.</p><p></p><p><a href="http://s1017.photobucket.com/user/daviddunfey/media/ChainTool_PB_1_zps08891991.jpg.html" target="_blank"><img src="http://i1017.photobucket.com/albums/af300/daviddunfey/ChainTool_PB_1_zps08891991.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 49983, member: 1177"] Gene, The cheapest way to buy chain is what Max offered. Generally, you can find your favorite chain for sale from an on-line supplier and they will offer it in various lengths, with the price going up with the length. I try to buy my chain on sale and the length is usually 112 and I cut it down to what I need. Unfortunately, I am using a 20T counter shaft sprocket and I have moved my gear box slightly, so my figures may not be correct for you, but I hope one of the many Comet riders will speak up. I use 106 for 48T, 108 for 50T and 110 for 52T. I would not be surprised if this is the same for stock Comets. If you do not want to cut your own chain, once you find out the length, I would call Coventry Spares if you do not have a local shop that you feel comfortable with. You can order a few spares, like cables and get a chain. Whomever you talk to (John, Susan or Tom) may know exactly the length you need. I was hesitant to recommend the 50T, but I think it is a good choice for a Comet, particularly two up. It is much better for riding around town. For anyone who cuts their own chain if you have a few old sprockets you can make a tool as below. I needed portability for racing, but the large aluminum sprocket was great for writing on. A useful tool for the forgetful. I start the chain from underneath in the center where it says "Start" and wind it clockwise back to the center. [URL=http://s1017.photobucket.com/user/daviddunfey/media/ChainTool_PB_1_zps08891991.jpg.html][IMG]http://i1017.photobucket.com/albums/af300/daviddunfey/ChainTool_PB_1_zps08891991.jpg[/IMG][/URL] David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Top End Speed
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